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Merge "adbd: increase oom_score_adj for adb shell"

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Josh Gao 2018-03-29 20:19:03 +00:00 • committed by Gerrit Code Review
commit db9671090d
1 changed files with 9 additions and 0 deletions
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9
adb/daemon/shell_service.cpp
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@ -334,6 +334,15 @@ bool Subprocess::ForkAndExec(std::string* error) {
// processes, so we need to manually reset back to SIG_DFL here (http://b/35209888).
signal(SIGPIPE, SIG_DFL);
// Increase oom_score_adj from -1000, so that the child is visible to the OOM-killer.
// Don't treat failure as an error, because old Android kernels explicitly disabled this.
int oom_score_adj_fd = adb_open("/proc/self/oom_score_adj", O_WRONLY | O_CLOEXEC);
if (oom_score_adj_fd != -1) {
const char* oom_score_adj_value = "-950";
TEMP_FAILURE_RETRY(
adb_write(oom_score_adj_fd, oom_score_adj_value, strlen(oom_score_adj_value)));
}
if (command_.empty()) {
execle(_PATH_BSHELL, _PATH_BSHELL, "-", nullptr, cenv.data());
} else {