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30 lines
965 B
30 lines
965 B
6 years ago
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Index: gdb-7.4.50.20120602/gdb/linux-nat.c
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===================================================================
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--- gdb-7.4.50.20120602.orig/gdb/linux-nat.c 2012-06-02 20:54:30.000000000 +0200
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+++ gdb-7.4.50.20120602/gdb/linux-nat.c 2012-06-02 20:56:03.966493352 +0200
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@@ -1816,8 +1816,22 @@ get_pending_status (struct lwp_info *lp,
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gdb_signal_to_string (signo));
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}
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- if (*status == 0 && GET_PID (lp->ptid) == pid_was_stopped)
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- *status = W_STOPCODE (SIGSTOP);
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+ /* Workaround RHEL-5 kernel which has unreliable PTRACE_DETACH, SIGSTOP (that
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+ many TIDs are left unstopped). See RH Bug 496732. */
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+ if (GET_PID (lp->ptid) == pid_was_stopped)
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+ {
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+ int err;
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+
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+ errno = 0;
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+ err = kill_lwp (GET_LWP (lp->ptid), SIGSTOP);
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+ if (debug_linux_nat)
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+ {
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+ fprintf_unfiltered (gdb_stdlog,
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+ "SC: lwp kill %d %s\n",
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+ err,
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+ errno ? safe_strerror (errno) : "ERRNO-OK");
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+ }
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+ }
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return 0;
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}
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