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Fix darlinghq/darling#1444

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This commit is contained in:
Ariel Abreu 2023-10-26 07:49:00 -04:00
parent 99d3c764bf
commit 62a3321e98
1 changed files with 1 additions and 16 deletions
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17
src/darlingserver.cpp
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@ -690,22 +690,7 @@ int main(int argc, char** argv) {
// we have to use `clone` rather than `fork` to create the process in its own PID namespace // we have to use `clone` rather than `fork` to create the process in its own PID namespace
// and still be able to spawn new processes and threads of our own // and still be able to spawn new processes and threads of our own
struct clone_args launchdCloneArgs; launchdGlobalPID = syscall(SYS_clone, CLONE_NEWPID | SIGCHLD, NULL, NULL, NULL, 0);
// TODO: use CMake to detect the structure version
// memset-ing everything is not future-safe
memset(&launchdCloneArgs, 0, sizeof(launchdCloneArgs));
launchdCloneArgs.flags = CLONE_NEWPID;
launchdCloneArgs.exit_signal = SIGCHLD;
launchdGlobalPID = syscall(SYS_clone3, &launchdCloneArgs, sizeof(launchdCloneArgs));
if (launchdGlobalPID < 0 && errno == ENOSYS) {
// try clone() instead
#if __x86_64__ || __i386__
launchdGlobalPID = syscall(SYS_clone, CLONE_NEWPID | SIGCHLD, NULL, NULL, NULL, 0);
#else
#error clone3 alternative not implemented for this architecture
#endif
}
if (launchdGlobalPID < 0) { if (launchdGlobalPID < 0) {
fprintf(stderr, "Failed to fork to start launchd: %s\n", strerror(errno)); fprintf(stderr, "Failed to fork to start launchd: %s\n", strerror(errno));