Hyprland/src/signal-safe.cpp
virchau13 90a53aed59
CrashReporter: fix deadlocks by making it mostly async-signal-safe (#5771)
`CrashReporter::createAndSaveCrash()` is not async-signal-safe,
resulting in random deadlocks/double-crashes during Hyprland crashes.
This changes the function to be (mostly) async-signal-safe.
2024-04-27 17:38:48 +01:00

30 lines
627 B
C++

#include "signal-safe.hpp"
#ifndef __GLIBC__
#include <signal.h>
#endif
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
extern char** environ;
char const* sig_getenv(char const* name) {
int len = strlen(name);
for (char** var = environ; *var != NULL; var++) {
if (strncmp(*var, name, len) == 0 && (*var)[len] == '=') {
return (*var) + len + 1;
}
}
return NULL;
}
char const* sig_strsignal(int sig) {
#ifdef __GLIBC__
return sigabbrev_np(sig);
#elif defined(__DragonFly__) || defined(__FreeBSD__)
return sys_signame[sig];
#else
return "unknown";
#endif
}