commit 1d160058c17088ec55bac24d1df970527cf61e02
author thughes <thughes@a5019735-40e9-0310-863c-91ae7b9d1cf9> Wed Apr 21 15:39:57 2004 +0000
committer thughes <thughes@a5019735-40e9-0310-863c-91ae7b9d1cf9> Wed Apr 21 15:39:57 2004 +0000
tree 58c33c5453c9f1bbd3bd2d4c9863d2ab9c2ae9e4
parent 35cec98ebe6a24615fa09cdd271edd8159a122db

Change the debugger attachment code to send the STOP signal to the
forked process before using ptrace() to continue it, instead of asking
ptrace to deliver it, as that doesn't seem to work on some versions
of linux.

CCMAIL: 77824-done@bugs.kde.org


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2380 a5019735-40e9-0310-863c-91ae7b9d1cf9

coregrind/vg_main.c

diff --git a/coregrind/vg_main.c b/coregrind/vg_main.c
index 5ffca11..9da5b98 100644
--- a/coregrind/vg_main.c
+++ b/coregrind/vg_main.c
@@ -350,7 +350,8 @@
       if ((res = VG_(waitpid)(pid, &status, 0)) == pid &&
           WIFSTOPPED(status) && WSTOPSIG(status) == SIGSTOP &&
           ptrace(PTRACE_SETREGS, pid, NULL, &regs) == 0 &&
-          ptrace(PTRACE_DETACH, pid, NULL, SIGSTOP) == 0) {
+          kill(pid, SIGSTOP) == 0 &&
+          ptrace(PTRACE_DETACH, pid, NULL, 0) == 0) {
          Char pidbuf[15];
          Char file[30];
          Char buf[100];