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[Qemu-devel] [patch 1/2] qemu: block SIGCHLD in vcpu thread(s)
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From: |
Marcelo Tosatti |
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Subject: |
[Qemu-devel] [patch 1/2] qemu: block SIGCHLD in vcpu thread(s) |
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Date: |
Thu, 22 Oct 2009 17:38:17 -0200 |
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User-agent: |
quilt/0.47-1 |
Otherwise a vcpu thread can run the sigchild handler causing
waitpid() from iothread to fail.
Signed-off-by: Marcelo Tosatti <address@hidden>
Index: qemu/vl.c
===================================================================
--- qemu.orig/vl.c
+++ qemu/vl.c
@@ -3722,6 +3722,7 @@ static void block_io_signals(void)
sigaddset(&set, SIGUSR2);
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
+ sigaddset(&set, SIGCHLD);
pthread_sigmask(SIG_BLOCK, &set, NULL);
sigemptyset(&set);