diff --git a/build_tools/cflags.xml b/build_tools/cflags.xml index 99ac5d1000..a4ae495120 100644 --- a/build_tools/cflags.xml +++ b/build_tools/cflags.xml @@ -5,6 +5,9 @@ core + + extended + extended diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 19c13e5182..971fb095f3 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -218,18 +218,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") #include "asterisk/network.h" #include "asterisk/paths.h" /* need ast_config_AST_SYSTEM_NAME */ -/* - Uncomment the define below, if you are having refcount related memory leaks. - With this uncommented, this module will generate a file, /tmp/refs, which contains - a history of the ao2_ref() calls. To be useful, all calls to ao2_* functions should - be modified to ao2_t_* calls, and include a tag describing what is happening with - enough detail, to make pairing up a reference count increment with its corresponding decrement. - The refcounter program in utils/ can be invaluable in highlighting objects that are not - balanced, along with the complete history for that object. - In normal operation, the macros defined will throw away the tags, so they do not - affect the speed of the program at all. They can be considered to be documentation. -*/ -/* #define REF_DEBUG 1 */ #include "asterisk/lock.h" #include "asterisk/config.h" #include "asterisk/module.h" diff --git a/contrib/scripts/refcounter.py b/contrib/scripts/refcounter.py new file mode 100755 index 0000000000..cd4d69f465 --- /dev/null +++ b/contrib/scripts/refcounter.py @@ -0,0 +1,171 @@ +#!/usr/bin/env python +"""Process a ref debug log + + This file will process a log file created by the REF_DEBUG + build option in Asterisk. + + See http://www.asterisk.org for more information about + the Asterisk project. Please do not directly contact + any of the maintainers of this project for assistance; + the project provides a web site, mailing lists and IRC + channels for your use. + + This program is free software, distributed under the terms of + the GNU General Public License Version 2. See the LICENSE file + at the top of the source tree. + + Copyright (C) 2014, Digium, Inc. + Matt Jordan +""" + +import sys +import os + +from optparse import OptionParser + +def parse_line(line): + """Parse out a line into its constituent parts. + + Keyword Arguments: + line The line from a ref debug log to parse out + + Returns: + A dictionary containing the options, or None + """ + tokens = line.strip().split(',', 7) + if len(tokens) < 8: + print "ERROR: ref debug line '%s' contains fewer tokens than " \ + "expected: %d" % (line.strip(), len(tokens)) + return None + + processed_line = {'addr': tokens[0], + 'delta': tokens[1], + 'thread_id': tokens[2], + 'file': tokens[3], + 'line': tokens[4], + 'function': tokens[5], + 'state': tokens[6], + 'tag': tokens[7], + } + return processed_line + + +def process_file(filename): + """The routine that kicks off processing a ref file + + Keyword Arguments: + filename The full path to the file to process + + Returns: + A tuple containing: + - A list of objects whose lifetimes were completed + - A list of objects whose lifetimes were not completed + - A list of objects whose lifetimes are skewed + """ + + finished_objects = [] + leaked_objects = [] + skewed_objects = [] + current_objects = {} + + with open(filename, 'r') as ref_file: + for line in ref_file: + parsed_line = parse_line(line) + if not parsed_line: + continue + + obj = parsed_line['addr'] + + if obj not in current_objects: + current_objects[obj] = [] + if 'constructor' not in parsed_line['state']: + skewed_objects.append(current_objects[obj]) + current_objects[obj].append(parsed_line) + + if 'destructor' in parsed_line['state']: + lifetime = current_objects.get(obj) + finished_objects.append(lifetime) + del current_objects[obj] + + leaked_objects = current_objects.values() + return (finished_objects, leaked_objects, skewed_objects) + + +def print_objects(objects, prefix=""): + """Prints out the objects that were processed + + Keyword Arguments: + objects A list of objects to print + prefix A prefix to print that specifies something about + this object + """ + + print "======== %s Objects ========" % prefix + print "\n" + for obj in objects: + print "==== %s Object %s history ====" % (prefix, obj[0]['addr']) + for entry in obj: + print "[%s] %s:%s %s: %s %s - [%s]" % (entry['thread_id'], + entry['file'], entry['line'], + entry['function'], + entry['delta'], entry['tag'], + entry['state']) + print "\n" + + +def main(argv=None): + """Main entry point for the script""" + + ret_code = 0 + + if argv is None: + argv = sys.argv + + parser = OptionParser() + + parser.add_option("-f", "--file", action="store", type="string", + dest="filepath", default="/var/log/asterisk/refs", + help="The full path to the refs file to process") + parser.add_option("-l", "--suppress-leaks", action="store_false", + dest="leaks", default=True, + help="If specified, don't output leaked objects") + parser.add_option("-n", "--suppress-normal", action="store_false", + dest="normal", default=True, + help="If specified, don't output objects with a " \ + "complete lifetime") + parser.add_option("-s", "--suppress-skewed", action="store_false", + dest="skewed", default=True, + help="If specified, don't output objects with a " \ + "skewed lifetime") + + (options, args) = parser.parse_args(argv) + + if not os.path.isfile(options.filepath): + print >>sys.stderr, "File not found: %s" % options.filepath + return -1 + + try: + (finished_objects, + leaked_objects, + skewed_objects) = process_file(options.filepath) + + if options.leaks and len(leaked_objects): + print_objects(leaked_objects, "Leaked") + ret_code |= 1 + + if options.skewed and len(skewed_objects): + print_objects(skewed_objects, "Skewed") + ret_code |= 2 + + if options.normal: + print_objects(finished_objects, "Finalized") + + except (KeyboardInterrupt, SystemExit, IOError): + print >>sys.stderr, "File processing cancelled" + return -1 + + return ret_code + + +if __name__ == "__main__": + sys.exit(main(sys.argv)) diff --git a/include/asterisk/astobj2.h b/include/asterisk/astobj2.h index 0fd500c023..98f4cca7d9 100644 --- a/include/asterisk/astobj2.h +++ b/include/asterisk/astobj2.h @@ -141,11 +141,10 @@ list. However there is no ordering among elements. \note DEBUGGING REF COUNTS BIBLE: An interface to help debug refcounting is provided in this package. It is dependent on the REF_DEBUG macro being -defined in a source file, before the #include of astobj2.h, -and in using variants of the normal ao2_xxxx functions -that are named ao2_t_xxxx instead, with an extra argument, a string, -that will be printed out into /tmp/refs when the refcount for an -object is changed. +defined via menuselect and in using variants of the normal ao2_xxxx +function that are named ao2_t_xxxx instead, with an extra argument, +a string that will be printed out into the refs log file when the +refcount for an object is changed. these ao2_t_xxxx variants are provided: @@ -164,45 +163,56 @@ each case is supposed to be a string pointer, a "tag", that should contain enough of an explanation, that you can pair operations that increment the ref count, with operations that are meant to decrement the refcount. -Each of these calls will generate at least one line of output in /tmp/refs. -These lines look like this: +Each of these calls will generate at least one line of output in in the refs +log files. These lines look like this: ... -0x8756f00 =1 chan_sip.c:22240:load_module (allocate users) -0x86e3408 =1 chan_sip.c:22241:load_module (allocate peers) -0x86dd380 =1 chan_sip.c:22242:load_module (allocate peers_by_ip) -0x822d020 =1 chan_sip.c:22243:load_module (allocate dialogs) -0x8930fd8 =1 chan_sip.c:20025:build_peer (allocate a peer struct) -0x8930fd8 +1 chan_sip.c:21467:reload_config (link peer into peer table) [@1] -0x8930fd8 -1 chan_sip.c:2370:unref_peer (unref_peer: from reload_config) [@2] -0x89318b0 =1 chan_sip.c:20025:build_peer (allocate a peer struct) -0x89318b0 +1 chan_sip.c:21467:reload_config (link peer into peer table) [@1] -0x89318b0 -1 chan_sip.c:2370:unref_peer (unref_peer: from reload_config) [@2] -0x8930218 =1 chan_sip.c:20025:build_peer (allocate a peer struct) -0x8930218 +1 chan_sip.c:21539:reload_config (link peer into peers table) [@1] -0x868c040 -1 chan_sip.c:2424:dialog_unlink_all (unset the relatedpeer->call field in tandem with relatedpeer field itself) [@2] -0x868c040 -1 chan_sip.c:2443:dialog_unlink_all (Let's unbump the count in the unlink so the poor pvt can disappear if it is time) [@1] -0x868c040 **call destructor** chan_sip.c:2443:dialog_unlink_all (Let's unbump the count in the unlink so the poor pvt can disappear if it is time) -0x8cc07e8 -1 chan_sip.c:2370:unref_peer (unsetting a dialog relatedpeer field in sip_destroy) [@3] -0x8cc07e8 +1 chan_sip.c:3876:find_peer (ao2_find in peers table) [@2] -0x8cc07e8 -1 chan_sip.c:2370:unref_peer (unref_peer, from sip_devicestate, release ref from find_peer) [@3] +0x8756f00,+1,1234,chan_sip.c,22240,load_module,**constructor**,allocate users +0x86e3408,+1,1234,chan_sip.c,22241,load_module,**constructor**,allocate peers +0x86dd380,+1,1234,chan_sip.c,22242,load_module,**constructor**,allocate peers_by_ip +0x822d020,+1,1234,chan_sip.c,22243,load_module,**constructor**,allocate dialogs +0x8930fd8,+1,1234,chan_sip.c,20025,build_peer,**constructor**,allocate a peer struct +0x8930fd8,+1,1234,chan_sip.c,21467,reload_config,1,link peer into peer table +0x8930fd8,-1,1234,chan_sip.c,2370,unref_peer,2,unref_peer: from reload_config +0x89318b0,1,5678,chan_sip.c,20025,build_peer,**constructor**,allocate a peer struct +0x89318b0,+1,5678,chan_sip.c,21467,reload_config,1,link peer into peer table +0x89318b0,-1,1234,chan_sip.c,2370,unref_peer,2,unref_peer: from reload_config +0x8930218,+1,1234,chan_sip.c,20025,build_peer,**constructor**,allocate a peer struct +0x8930218,+1,1234,chan_sip.c,21539,reload_config,1,link peer into peers table +0x868c040,-1,1234,chan_sip.c,2424,dialog_unlink_all,2,unset the relatedpeer->call field in tandem with relatedpeer field itself +0x868c040,-1,1234,chan_sip.c,2443,dialog_unlink_all,1,Let's unbump the count in the unlink so the poor pvt can disappear if it is time +0x868c040,-1,1234,chan_sip.c,2443,dialog_unlink_all,**destructor**,Let's unbump the count in the unlink so the poor pvt can disappear if it is time +0x8cc07e8,-1,1234,chan_sip.c,2370,unref_peer,3,unsetting a dialog relatedpeer field in sip_destroy +0x8cc07e8,+1,1234,chan_sip.c,3876,find_peer,2,ao2_find in peers table +0x8cc07e8,-1,1234,chan_sip.c,2370,unref_peer,3,unref_peer, from sip_devicestate, release ref from find_peer ... -The first column is the object address. -The second column reflects how the operation affected the ref count - for that object. Creation sets the ref count to 1 (=1). - increment or decrement and amount are specified (-1/+1). -The remainder of the line specifies where in the file the call was made, - and the function name, and the tag supplied in the function call. - -The **call destructor** is specified when the the destroy routine is -run for an object. It does not affect the ref count, but is important -in debugging, because it is possible to have the astobj2 system run it -multiple times on the same object, commonly fatal to asterisk. +This uses a comma delineated format. The columns in the format are as +follows: +- The first column is the object address. +- The second column reflects how the operation affected the ref count + for that object. A change in the ref count is reflected either as + an increment (+) or decrement (-), as well as the amount it changed + by. +- The third column is the ID of the thread that modified the reference + count. +- The fourth column is the source file that the change in reference was + issued from. +- The fifth column is the line number of the source file that the ref + change was issued from. +- The sixth column is the name of the function that the ref change was + issued from. +- The seventh column indicates either (a) construction of the object via + the special tag **constructor**; (b) destruction of the object via + the special tag **destructor**; (c) the previous reference count + prior to this reference change. +- The eighth column is a special tag added by the developer to provide + context for the ref change. Note that any subsequent columns are + considered to be part of this tag. Sometimes you have some helper functions to do object ref/unref operations. Using these normally hides the place where these functions were called. To get the location where these functions -were called to appear in /tmp/refs, you can do this sort of thing: +were called to appear in /refs, you can do this sort of thing: #ifdef REF_DEBUG #define dialog_ref(arg1,arg2) dialog_ref_debug((arg1),(arg2), __FILE__, __LINE__, __PRETTY_FUNCTION__) @@ -246,13 +256,14 @@ file, function, and line number info provided. You might find this well worth the effort to help track these function calls in the code. To find out why objects are not destroyed (a common bug), you can -edit the source file to use the ao2_t_* variants, add the #define REF_DEBUG 1 -before the #include "asterisk/astobj2.h" line, and add a descriptive -tag to each call. Recompile, and run Asterisk, exit asterisk with -"stop gracefully", which should result in every object being destroyed. -Then, you can "sort -k 1 /tmp/refs > x1" to get a sorted list of -all the objects, or you can use "util/refcounter" to scan the file -for you and output any problems it finds. +edit the source file to use the ao2_t_* variants, enable REF_DEBUG +in menuselect, and add a descriptive tag to each call. Recompile, +and run Asterisk, exit asterisk with "core stop gracefully", which should +result in every object being destroyed. + +Then, you can "sort -k 1 {AST_LOG_DIR}/refs > x1" to get a sorted list of +all the objects, or you can use "contrib/script/refcounter.py" to scan +the file for you and output any problems it finds. The above may seem astronomically more work than it is worth to debug reference counts, which may be true in "simple" situations, but for @@ -268,29 +279,29 @@ For instance, here is an example of this for a dialog object in chan_sip, that was not getting destroyed, after I moved the lines around to pair operations: - 0x83787a0 =1 chan_sip.c:5733:sip_alloc (allocate a dialog(pvt) struct) - 0x83787a0 -1 chan_sip.c:19173:sip_poke_peer (unref dialog at end of sip_poke_peer, obtained from sip_alloc, just before it goes out of scope) [@4] + 0x83787a0,+1,1234,chan_sip.c,5733,sip_alloc,**constructor**,(allocate a dialog(pvt) struct) + 0x83787a0,-1,1234,chan_sip.c,19173,sip_poke_peer,4,(unref dialog at end of sip_poke_peer, obtained from sip_alloc, just before it goes out of scope) - 0x83787a0 +1 chan_sip.c:5854:sip_alloc (link pvt into dialogs table) [@1] - 0x83787a0 -1 chan_sip.c:19150:sip_poke_peer (About to change the callid -- remove the old name) [@3] - 0x83787a0 +1 chan_sip.c:19152:sip_poke_peer (Linking in under new name) [@2] - 0x83787a0 -1 chan_sip.c:2399:dialog_unlink_all (unlinking dialog via ao2_unlink) [@5] + 0x83787a0,+1,1234,chan_sip.c,5854,sip_alloc,1,(link pvt into dialogs table) + 0x83787a0,-1,1234,chan_sip.c,19150,sip_poke_peer,3,(About to change the callid -- remove the old name) + 0x83787a0,+1,1234,chan_sip.c,19152,sip_poke_peer,2,(Linking in under new name) + 0x83787a0,-1,1234,chan_sip.c,2399,dialog_unlink_all,5,(unlinking dialog via ao2_unlink) - 0x83787a0 +1 chan_sip.c:19130:sip_poke_peer (copy sip alloc from p to peer->call) [@2] + 0x83787a0,+1,1234,chan_sip.c,19130,sip_poke_peer,2,(copy sip alloc from p to peer->call) - 0x83787a0 +1 chan_sip.c:2996:__sip_reliable_xmit (__sip_reliable_xmit: setting pkt->owner) [@3] - 0x83787a0 -1 chan_sip.c:2425:dialog_unlink_all (remove all current packets in this dialog, and the pointer to the dialog too as part of __sip_destroy) [@4] + 0x83787a0,+1,1234,chan_sip.c,2996,__sip_reliable_xmit,3,(__sip_reliable_xmit: setting pkt->owner) + 0x83787a0,-1,1234,chan_sip.c,2425,dialog_unlink_all,4,(remove all current packets in this dialog, and the pointer to the dialog too as part of __sip_destroy) - 0x83787a0 +1 chan_sip.c:22356:unload_module (iterate thru dialogs) [@4] - 0x83787a0 -1 chan_sip.c:22359:unload_module (toss dialog ptr from iterator_next) [@5] + 0x83787a0,+1,1234,chan_sip.c,22356,unload_module,4,(iterate thru dialogs) + 0x83787a0,-1,1234,chan_sip.c,22359,unload_module,5,(toss dialog ptr from iterator_next) - 0x83787a0 +1 chan_sip.c:22373:unload_module (iterate thru dialogs) [@3] - 0x83787a0 -1 chan_sip.c:22375:unload_module (throw away iterator result) [@2] + 0x83787a0,+1,1234,chan_sip.c,22373,unload_module,3,(iterate thru dialogs) + 0x83787a0,-1,1234,chan_sip.c,22375,unload_module,2,(throw away iterator result) - 0x83787a0 +1 chan_sip.c:2397:dialog_unlink_all (Let's bump the count in the unlink so it doesn't accidentally become dead before we are done) [@4] - 0x83787a0 -1 chan_sip.c:2436:dialog_unlink_all (Let's unbump the count in the unlink so the poor pvt can disappear if it is time) [@3] + 0x83787a0,+1,1234,chan_sip.c,2397,dialog_unlink_all,4,(Let's bump the count in the unlink so it doesn't accidentally become dead before we are done) + 0x83787a0,-1,1234,chan_sip.c,2436,dialog_unlink_all,3,(Let's unbump the count in the unlink so the poor pvt can disappear if it is time) As you can see, only one unbalanced operation is in the list, a ref count increment when the peer->call was set, but no corresponding decrement was made... diff --git a/include/asterisk/utils.h b/include/asterisk/utils.h index 4fbfb92ceb..0679a5b1cf 100644 --- a/include/asterisk/utils.h +++ b/include/asterisk/utils.h @@ -838,6 +838,15 @@ int ast_str_to_eid(struct ast_eid *eid, const char *s); */ int ast_eid_cmp(const struct ast_eid *eid1, const struct ast_eid *eid2); +/*! + * \brief Get current thread ID + * + * \since 1.8.28.0 + * + * \return the ID if platform is supported, else -1 + */ +int ast_get_tid(void); + /*!\brief Resolve a binary to a full pathname * \param binary Name of the executable to resolve * \param fullpath Buffer to hold the complete pathname diff --git a/main/asterisk.c b/main/asterisk.c index bae6a4e379..dc1c0aea01 100644 --- a/main/asterisk.c +++ b/main/asterisk.c @@ -3882,6 +3882,8 @@ int main(int argc, char *argv[]) register_config_cli(); read_config_maps(); + astobj2_init(); + if (ast_opt_console) { if (el_hist == NULL || el == NULL) ast_el_initialize(); @@ -3957,8 +3959,6 @@ int main(int argc, char *argv[]) threadstorage_init(); - astobj2_init(); - ast_autoservice_init(); if (ast_timing_init()) { diff --git a/main/astobj2.c b/main/astobj2.c index 2d866d6a25..82dc8a3460 100644 --- a/main/astobj2.c +++ b/main/astobj2.c @@ -30,7 +30,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") #include "asterisk/astobj2.h" #include "asterisk/utils.h" #include "asterisk/cli.h" -#define REF_FILE "/tmp/refs" +#include "asterisk/paths.h" + +static FILE *ref_log; /*! * astobj2 objects are always preceded by this data structure, @@ -214,27 +216,22 @@ void *ao2_object_get_lockaddr(void *obj) * The argument is a pointer to the user portion. */ - int __ao2_ref_debug(void *user_data, const int delta, const char *tag, const char *file, int line, const char *funcname) { struct astobj2 *obj = INTERNAL_OBJ(user_data); - - if (obj == NULL) - return -1; - if (delta != 0) { - FILE *refo = fopen(REF_FILE, "a"); - if (refo) { - fprintf(refo, "%p %s%d %s:%d:%s (%s) [@%d]\n", user_data, (delta < 0 ? "" : "+"), - delta, file, line, funcname, tag, obj ? obj->priv_data.ref_counter : -1); - fclose(refo); - } + if (obj == NULL) { + return -1; } - if (obj->priv_data.ref_counter + delta == 0 && obj->priv_data.destructor_fn != NULL) { /* this isn't protected with lock; just for o/p */ - FILE *refo = fopen(REF_FILE, "a"); - if (refo) { - fprintf(refo, "%p **call destructor** %s:%d:%s (%s)\n", user_data, file, line, funcname, tag); - fclose(refo); + + if (ref_log) { + if (obj->priv_data.ref_counter + delta == 0) { + fprintf(ref_log, "%p,%d,%d,%s,%d,%s,**destructor**,%s\n", user_data, delta, ast_get_tid(), file, line, funcname, tag); + fflush(ref_log); + } else if (delta != 0) { + fprintf(ref_log, "%p,%s%d,%d,%s,%d,%s,%d,%s\n", user_data, (delta < 0 ? "" : "+"), + delta, ast_get_tid(), file, line, funcname, obj ? obj->priv_data.ref_counter : -1, tag); + fflush(ref_log); } } return internal_ao2_ref(user_data, delta); @@ -332,15 +329,14 @@ void *__ao2_alloc_debug(size_t data_size, ao2_destructor_fn destructor_fn, char { /* allocation */ void *obj; - FILE *refo; if ((obj = internal_ao2_alloc(data_size, destructor_fn, file, line, funcname)) == NULL) { return NULL; } - if (ref_debug && (refo = fopen(REF_FILE, "a"))) { - fprintf(refo, "%p =1 %s:%d:%s (%s)\n", obj, file, line, funcname, tag); - fclose(refo); + if (ref_log) { + fprintf(ref_log, "%p,+1,%d,%s,%d,%s,**constructor**,%s\n", obj, ast_get_tid(), file, line, funcname, tag); + fflush(ref_log); } /* return a pointer to the user data */ @@ -1128,19 +1124,39 @@ static struct ast_cli_entry cli_astobj2[] = { AST_CLI_DEFINE(handle_astobj2_stats, "Print astobj2 statistics"), AST_CLI_DEFINE(handle_astobj2_test, "Test astobj2"), }; +#endif /* AO2_DEBUG */ static void astobj2_cleanup(void) { +#ifdef AO2_DEBUG ast_cli_unregister_multiple(cli_astobj2, ARRAY_LEN(cli_astobj2)); +#endif + +#ifdef REF_DEBUG + fclose(ref_log); + ref_log = NULL; +#endif } -#endif /* AO2_DEBUG */ + int astobj2_init(void) { +#ifdef REF_DEBUG + char ref_filename[1024]; +#endif + +#ifdef REF_DEBUG + snprintf(ref_filename, sizeof(ref_filename), "%s/refs", ast_config_AST_LOG_DIR); + ref_log = fopen(ref_filename, "w"); + if (!ref_log) { + ast_log(LOG_ERROR, "Could not open ref debug log file: %s\n", ref_filename); + } +#endif + #ifdef AO2_DEBUG ast_cli_register_multiple(cli_astobj2, ARRAY_LEN(cli_astobj2)); - ast_register_atexit(astobj2_cleanup); #endif + ast_register_atexit(astobj2_cleanup); return 0; } diff --git a/main/logger.c b/main/logger.c index 763a66b0a8..ad7950ccca 100644 --- a/main/logger.c +++ b/main/logger.c @@ -66,15 +66,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") # endif #endif -#if defined(__linux__) && !defined(__NR_gettid) -#include -#endif - -#if defined(__linux__) && defined(__NR_gettid) -#define GETTID() syscall(__NR_gettid) -#else -#define GETTID() getpid() -#endif static char dateformat[256] = "%b %e %T"; /* Original Asterisk Format */ static char queue_log_name[256] = QUEUELOG; @@ -1289,7 +1280,7 @@ void ast_log(int level, const char *file, int line, const char *function, const ast_string_field_set(logmsg, level_name, levels[level]); ast_string_field_set(logmsg, file, file); ast_string_field_set(logmsg, function, function); - logmsg->process_id = (long) GETTID(); + logmsg->process_id = (long) ast_get_tid(); /* If the logger thread is active, append it to the tail end of the list - otherwise skip that step */ if (logthread != AST_PTHREADT_NULL) { diff --git a/main/utils.c b/main/utils.c index 29ca746f37..7c42beb16e 100644 --- a/main/utils.c +++ b/main/utils.c @@ -33,7 +33,14 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$") #include #include -#include + +#include +#include +#if defined(__APPLE__) +#include +#elif defined(HAVE_SYS_THR_H) +#include +#endif #ifdef HAVE_DEV_URANDOM #include @@ -2276,6 +2283,24 @@ int _ast_asprintf(char **ret, const char *file, int lineno, const char *func, co } #endif +int ast_get_tid(void) +{ + int ret = -1; +#if defined (__linux) && defined(SYS_gettid) + ret = syscall(SYS_gettid); /* available since Linux 1.4.11 */ +#elif defined(__sun) + ret = pthread_self(); +#elif defined(__APPLE__) + ret = mach_thread_self(); + mach_port_deallocate(mach_task_self(), ret); +#elif defined(__FreeBSD__) && defined(HAVE_SYS_THR_H) + long lwpid; + thr_self(&lwpid); /* available since sys/thr.h creation 2003 */ + ret = lwpid; +#endif + return ret; +} + char *ast_utils_which(const char *binary, char *fullpath, size_t fullpath_size) { const char *envPATH = getenv("PATH");