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gdb/
* Makefile.in (linux-ptrace.o): New. * common/linux-procfs.c (linux_proc_pid_is_zombie): New, from linux-nat.c. * common/linux-procfs.h (linux_proc_pid_is_zombie): New declaration. * common/linux-ptrace.c: New file. * config/alpha/alpha-linux.mh (NATDEPFILES): Add linux-ptrace.o. * config/arm/linux.mh: Likewise. * config/i386/linux.mh: Likewise. * config/i386/linux64.mh: Likewise. * config/ia64/linux.mh: Likewise. * config/m32r/linux.mh: Likewise. * config/m68k/linux.mh: Likewise. * config/mips/linux.mh: Likewise. * config/pa/linux.mh: Likewise. * config/powerpc/linux.mh: Likewise. * config/powerpc/ppc64-linux.mh: Likewise. * config/powerpc/spu-linux.mh: Likewise. * config/s390/s390.mh: Likewise. * config/sparc/linux.mh: Likewise. * config/sparc/linux64.mh: Likewise. * config/xtensa/linux.mh: Likewise. * linux-nat.c (linux_lwp_is_zombie): Remove, move it to common/linux-procfs.c. (wait_lwp): Rename linux_lwp_is_zombie to linux_proc_pid_is_zombie. gdb/gdbserver/ * Makefile.in (linux-ptrace.o): New. * configure.srv (arm*-*-linux*, bfin-*-*linux*, crisv32-*-linux*) (cris-*-linux*, i[34567]86-*-linux*, ia64-*-linux*, m32r*-*-linux*) (m68*-*-linux*, m68*-*-uclinux*, mips*-*-linux*, powerpc*-*-linux*) (s390*-*-linux*, sh*-*-linux*, sparc*-*-linux*, tic6x-*-uclinux) (x86_64-*-linux*, xtensa*-*-linux*): Add linux-ptrace.o to SRV_TGTOBJ of these targets. * linux-low.c (linux_attach_lwp_1): Remove redundent else clause.
This commit is contained in:
@ -2465,37 +2465,6 @@ linux_handle_extended_wait (struct lwp_info *lp, int status,
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_("unknown ptrace event %d"), event);
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}
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/* Return non-zero if LWP is a zombie. */
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static int
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linux_lwp_is_zombie (long lwp)
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{
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char buffer[MAXPATHLEN];
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FILE *procfile;
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int retval;
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int have_state;
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xsnprintf (buffer, sizeof (buffer), "/proc/%ld/status", lwp);
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procfile = fopen (buffer, "r");
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if (procfile == NULL)
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{
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warning (_("unable to open /proc file '%s'"), buffer);
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return 0;
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}
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have_state = 0;
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while (fgets (buffer, sizeof (buffer), procfile) != NULL)
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if (strncmp (buffer, "State:", 6) == 0)
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{
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have_state = 1;
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break;
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}
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retval = (have_state
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&& strcmp (buffer, "State:\tZ (zombie)\n") == 0);
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fclose (procfile);
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return retval;
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}
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/* Wait for LP to stop. Returns the wait status, or 0 if the LWP has
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exited. */
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@ -2549,10 +2518,10 @@ wait_lwp (struct lwp_info *lp)
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This is racy, what if the tgl becomes a zombie right after we check?
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Therefore always use WNOHANG with sigsuspend - it is equivalent to
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waiting waitpid but the linux_lwp_is_zombie is safe this way. */
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waiting waitpid but linux_proc_pid_is_zombie is safe this way. */
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if (GET_PID (lp->ptid) == GET_LWP (lp->ptid)
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&& linux_lwp_is_zombie (GET_LWP (lp->ptid)))
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&& linux_proc_pid_is_zombie (GET_LWP (lp->ptid)))
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{
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thread_dead = 1;
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if (debug_linux_nat)
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@ -3499,7 +3468,7 @@ check_zombie_leaders (void)
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/* Check if there are other threads in the group, as we may
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have raced with the inferior simply exiting. */
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&& num_lwps (inf->pid) > 1
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&& linux_lwp_is_zombie (inf->pid))
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&& linux_proc_pid_is_zombie (inf->pid))
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{
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if (debug_linux_nat)
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fprintf_unfiltered (gdb_stdlog,
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