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lib/process: handle EINTR from waitpid
author
Jeremy Kerr
<jk@ozlabs.org>
Tue, 20 Aug 2013 02:30:57 +0000
(10:30 +0800)
committer
Jeremy Kerr
<jk@ozlabs.org>
Tue, 20 Aug 2013 02:30:57 +0000
(10:30 +0800)
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
lib/process/process.c
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diff --git
a/lib/process/process.c
b/lib/process/process.c
index 6fac6492eeedd2524c71de8d4ee620a73cc3b47b..1a16fb6312b4fb74dc8cc753806009e939bd7691 100644
(file)
--- a/
lib/process/process.c
+++ b/
lib/process/process.c
@@
-355,8
+355,13
@@
int process_run_sync(struct process *process)
process_read_stdout(procinfo);
- rc = waitpid(process->pid, &process->exit_status, 0);
- if (rc == -1) {
+ for (;;) {
+ rc = waitpid(process->pid, &process->exit_status, 0);
+ if (rc >= 0)
+ break;
+ if (errno == EINTR)
+ continue;
+
pb_log("%s: waitpid failed: %s\n", __func__, strerror(errno));
return rc;
}