gdb/ChangeLog
2019-04-26 Amos Bird <amosbird@gmail.com>
* annotate.c (annotate_thread_exited): Add "thread-exited"
annotation.
gdb/doc/ChangeLog
2019-06-06 Amos Bird <amosbird@gmail.com>
* annotate.texinfo (Multi-threaded Apps): Add entry for thread-exited
annotation.
gdb/testsuite/ChangeLog
2019-06-06 Amos Bird <amosbird@gmail.com>
* gdb.base/annota1.exp (thread_switch): Add test for
thread-exited annotation.
+2019-04-26 Amos Bird <amosbird@gmail.com>
+
+ * annotate.c (annotate_thread_exited): Add "thread-exited"
+ annotation.
+
2019-06-06 Tom Tromey <tromey@adacore.com>
* maint.h (class scoped_command_stats): Use
*** Changes since GDB 8.3
+* 'thread-exited' event is now available in the annotations interface.
+
* New built-in convenience variables $_gdb_major and $_gdb_minor
provide the GDB version. They are handy for conditionally using
features available only in or since specific GDB versions, in
}
}
+/* Emit notification on thread exit. */
+
+static void
+annotate_thread_exited (struct thread_info *t, int silent)
+{
+ if (annotation_level > 1)
+ {
+ printf_filtered(("\n\032\032thread-exited,"
+ "id=\"%d\",group-id=\"i%d\"\n"),
+ t->global_num, t->inf->num);
+ }
+}
+
void
annotate_field_begin (struct type *type)
{
gdb::observers::breakpoint_created.attach (breakpoint_changed);
gdb::observers::breakpoint_deleted.attach (breakpoint_changed);
gdb::observers::breakpoint_modified.attach (breakpoint_changed);
+ gdb::observers::thread_exit.attach (annotate_thread_exited);
}
+2019-06-06 Amos Bird <amosbird@gmail.com>
+
+ * annotate.texinfo (Multi-threaded Apps): Add entry for thread-exited
+ annotation.
+
2019-06-04 Christian Biesinger <cbiesinger@google.com>
* python.texi: Document new gdb.Type.objfile property.
user with the @code{thread} command, or as a result of execution,
e.g., another thread hits a breakpoint.
+@findex thread-exited@r{, annotation}
+@item ^Z^Zthread-exited,id="@var{id}",group-id="@var{gid}"
+
+This annotation is issued once for each thread that exits. The @var{id}
+field contains the global @value{GDBN} identifier of the thread. The
+@var{gid} field identifies the thread group this thread belongs to.
+
@end table
@node GNU Free Documentation License
+2019-06-06 Amos Bird <amosbird@gmail.com>
+
+ * gdb.base/annota1.exp (thread_switch): Add test for
+ thread-exited annotation.
+
2019-06-06 Tom Tromey <tromey@adacore.com>
* gdb.base/maint.exp: Expect command started/finished output.
unsupported "signal sent"
} else {
gdb_test_multiple "signal SIGTRAP" "signal sent" {
- -re ".*\032\032post-prompt\r\nContinuing with signal SIGTRAP.\r\n\r\n\032\032starting\(\r\n\r\n\032\032frames-invalid\)+\r\n\r\n\032\032signalled\r\n\r\nProgram terminated with signal \r\n\032\032signal-name\r\nSIGTRAP\r\n\032\032signal-name-end\r\n, \r\n\032\032signal-string\r\nTrace.breakpoint trap\r\n\032\032signal-string-end\r\n.\r\nThe program no longer exists.\r\n\r\n\032\032stopped\r\n$gdb_prompt$" {
+ -re ".*\032\032post-prompt\r\nContinuing with signal SIGTRAP.\r\n\r\n\032\032starting\(\r\n\r\n\032\032frames-invalid\)+\r\n\r\n\032\032signalled\r\n\r\nProgram terminated with signal \r\n\032\032signal-name\r\nSIGTRAP\r\n\032\032signal-name-end\r\n, \r\n\032\032signal-string\r\nTrace.breakpoint trap\r\n\032\032signal-string-end\r\n.\r\nThe program no longer exists.\r\n\r\n\032\032thread-exited,id=\"${decimal}\",group-id=\"i${decimal}\"\r\n\r\n\032\032stopped\r\n$gdb_prompt$" {
pass "signal sent"
}
}
proc thread_test {} {
global subdir srcdir testfile srcfile binfile
global gdb_prompt old_gdb_prompt
+ global decimal
set srcfile watch_thread_num.c
set binfile [standard_output_file ${testfile}-watch_thread_num]
set gdb_prompt $old_gdb_prompt
set linenum [gdb_get_line_number "all threads started"]
gdb_breakpoint "$linenum"
+ set linenum [gdb_get_line_number "first child thread exited"]
+ gdb_breakpoint "$linenum"
+
set gdb_prompt \
"\r\n\032\032pre-prompt\r\n$gdb_prompt \r\n\032\032prompt\r\n"
pass "new thread"
}
}
+
+ gdb_test_multiple "continue" "thread exit" {
+ -re "\032\032thread-exited,id=\"${decimal}\",group-id=\"i${decimal}\".*\r\n$gdb_prompt$" {
+ pass "thread exit"
+ }
+ }
}
}
static pthread_barrier_t threads_started_barrier;
+static pthread_barrier_t threads_started_barrier2;
+
#define NUM 15
static int num_threads = NUM;
pthread_barrier_init (&threads_started_barrier, NULL, NUM + 1);
+ pthread_barrier_init (&threads_started_barrier2, NULL, 2);
+
for (i = 0; i < NUM; i++)
{
res = pthread_create (&threads[i],
pthread_barrier_wait (&threads_started_barrier);
- sleep (180); /* all threads started */
+ pthread_barrier_wait (&threads_started_barrier2); /* all threads started */
+
+ pthread_join (threads[0], NULL);
+
+ sleep (180); /* first child thread exited */
exit (EXIT_SUCCESS);
}
pthread_barrier_wait (&threads_started_barrier);
- /* Don't run forever. Run just short of it :) */
- while (shared_var > 0)
+ if (my_number > 0)
{
- shared_var++;
- usleep (1); /* Loop increment. */
- loop ();
+ /* Don't run forever. Run just short of it :) */
+ while (shared_var > 0)
+ {
+ shared_var++;
+ usleep (1); /* Loop increment. */
+ loop ();
+ }
}
+ else
+ pthread_barrier_wait (&threads_started_barrier2);
pthread_exit (NULL);
}
"\032\032exited 0" \
"$inferior_exited_re normally." \
"" \
+ "\032\032thread-exited,id=\"1\",group-id=\"i1\"" \
+ "" \
"\032\032stopped" \
$gdb_prompt$]
gdb_test_multiple "continue" "continue until exit" {
projects / binutils-gdb.git / commitdiff