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Merge "Fix deadlock when killing adb bugreport" into lmp-dev

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This commit is contained in:
Andres Morales 2014-08-25 17:31:49 +00:00 committed by Android (Google) Code Review
commit 47c166a9ad
2 changed files with 10 additions and 2 deletions
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6
cmds/dumpstate/dumpstate.c
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@ -378,8 +378,8 @@ static void usage() {
}
static void sigpipe_handler(int n) {
(void)n;
exit(EXIT_FAILURE);
// don't complain to stderr or stdout
_exit(EXIT_FAILURE);
}
int main(int argc, char *argv[]) {
@ -404,10 +404,12 @@ int main(int argc, char *argv[]) {
}
ALOGI("begin\n");
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = sigpipe_handler;
sigaction(SIGPIPE, &sigact, NULL);
/* set as high priority, and protect from OOM killer */
setpriority(PRIO_PROCESS, 0, -20);
FILE *oom_adj = fopen("/proc/self/oom_adj", "w");

6
cmds/dumpstate/utils.c
View File

@ -313,6 +313,12 @@ int run_command(const char *title, int timeout_seconds, const char *command, ...
/* make sure the child dies when dumpstate dies */
prctl(PR_SET_PDEATHSIG, SIGKILL);
/* just ignore SIGPIPE, will go down with parent's */
struct sigaction sigact;
memset(&sigact, 0, sizeof(sigact));
sigact.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sigact, NULL);
va_list ap;
va_start(ap, command);
if (title) printf("------ %s (%s", title, command);