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Change debuggerd client param from pid to tid

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Change the header param to be `tid` and remove a local `pid` variable
to use `tid` instead.

Test: m
Bug: 316970771
Change-Id: I53c13081d72f46446ac6e85df77a160ef4f50c05
This commit is contained in:
Devin Moore 2024-01-31 17:32:25 +00:00
parent 761db93167
commit b56e4743f6
2 changed files with 7 additions and 8 deletions
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13
debuggerd/client/debuggerd_client.cpp
View file

@ -116,7 +116,6 @@ static std::string get_wchan_data(int fd, pid_t pid) {
bool debuggerd_trigger_dump(pid_t tid, DebuggerdDumpType dump_type, unsigned int timeout_ms,
unique_fd output_fd) {
pid_t pid = tid;
if (dump_type == kDebuggerdJavaBacktrace) {
// Java dumps always get sent to the tgid, so we need to resolve our tid to a tgid.
android::procinfo::ProcessInfo procinfo;
@ -125,10 +124,10 @@ bool debuggerd_trigger_dump(pid_t tid, DebuggerdDumpType dump_type, unsigned int
log_error(output_fd, 0, "failed to get process info: %s", error.c_str());
return false;
}
pid = procinfo.pid;
tid = procinfo.pid;
}
LOG(INFO) << TAG "started dumping process " << pid;
LOG(INFO) << TAG "started dumping process " << tid;
// Rather than try to deal with poll() all the way through the flow, we update
// the socket timeout between each step (and only use poll() during the final
@ -172,7 +171,7 @@ bool debuggerd_trigger_dump(pid_t tid, DebuggerdDumpType dump_type, unsigned int
InterceptRequest req = {
.dump_type = dump_type,
.pid = pid,
.pid = tid,
};
// Create an intermediate pipe to pass to the other end.
@ -235,8 +234,8 @@ bool debuggerd_trigger_dump(pid_t tid, DebuggerdDumpType dump_type, unsigned int
// Send the signal.
const int signal = (dump_type == kDebuggerdJavaBacktrace) ? SIGQUIT : BIONIC_SIGNAL_DEBUGGER;
sigval val = {.sival_int = (dump_type == kDebuggerdNativeBacktrace) ? 1 : 0};
if (sigqueue(pid, signal, val) != 0) {
log_error(output_fd, errno, "failed to send signal to pid %d", pid);
if (sigqueue(tid, signal, val) != 0) {
log_error(output_fd, errno, "failed to send signal to pid %d", tid);
return false;
}
@ -299,7 +298,7 @@ bool debuggerd_trigger_dump(pid_t tid, DebuggerdDumpType dump_type, unsigned int
}
}
LOG(INFO) << TAG "done dumping process " << pid;
LOG(INFO) << TAG "done dumping process " << tid;
return true;
}

2
debuggerd/include/debuggerd/client.h
View file

@ -26,7 +26,7 @@
// Trigger a dump of specified process to output_fd.
// output_fd is consumed, timeout of 0 will wait forever.
bool debuggerd_trigger_dump(pid_t pid, enum DebuggerdDumpType dump_type, unsigned int timeout_ms,
bool debuggerd_trigger_dump(pid_t tid, enum DebuggerdDumpType dump_type, unsigned int timeout_ms,
android::base::unique_fd output_fd);
int dump_backtrace_to_file(pid_t tid, enum DebuggerdDumpType dump_type, int output_fd);