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From: "ppluzhnikov at google dot com" <sourceware-bugzilla@sourceware.org> To: gdb-prs@sourceware.org Subject: [Bug threads/10970] New: GDB hangs when main thread does pthread_exit Date: Tue, 17 Nov 2009 05:35:00 -0000 [thread overview] Message-ID: <20091117053515.10970.ppluzhnikov@google.com> (raw) Test case: --- cut --- #include <stdio.h> #include <pthread.h> #include <unistd.h> void * fn (void *p) { int i; printf ("thread %p\n", (void *) pthread_self ()); for (i = 0; i < 60; ++i) { printf ("i = %d\n", i); sleep (1); } printf ("thread %p done\n", (void *) pthread_self ()); return NULL; } int main () { pthread_t tid; pthread_create (&tid, NULL, fn, NULL); pthread_exit (0); } --- cut --- gcc -g -pthread hang.c -o hang gdb-cvs -nx ./hang NU gdb (GDB) 7.0.50.20091116-cvs ... This GDB was configured as "x86_64-unknown-linux-gnu". ... Reading symbols from /usr/local/google/tmp/hang...done. (gdb) run Starting program: /usr/local/google/tmp/hang [Thread debugging using libthread_db enabled] [New Thread 0x40800950 (LWP 1540)] thread 0x40800950 i = 0 i = 1 i = 2 i = 3 i = 4 <<< hit Control-C here; the counter stops, but there is no GDB prompt. The only way to "recover" is "killall -9 gdb-cvs" in another window, at which point inferior resumes (in the background): i = 5 Killed $ i = 6 i = 7 i = 8 ... -- Summary: GDB hangs when main thread does pthread_exit Product: gdb Version: 6.8 Status: UNCONFIRMED Severity: normal Priority: P2 Component: threads AssignedTo: unassigned at sourceware dot org ReportedBy: ppluzhnikov at google dot com CC: gdb-prs at sourceware dot org GCC build triplet: x86_64-unknown-linux-gnu GCC host triplet: x86_64-unknown-linux-gnu GCC target triplet: x86_64-unknown-linux-gnu http://sourceware.org/bugzilla/show_bug.cgi?id=10970 ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
next reply other threads:[~2009-11-17 5:35 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-11-17 5:35 ppluzhnikov at google dot com [this message] 2009-11-17 5:44 ` [Bug threads/10970] " ppluzhnikov at google dot com
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