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use vfork in stage1 compiler to avoid OOM

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This commit is contained in:
Shawn Landden 2018-08-31 19:29:06 -07:00
parent cba0d76fbc
commit fdeb8765f0
1 changed files with 3 additions and 3 deletions
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6
src/os.cpp
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@ -125,7 +125,7 @@ static void populate_termination(Termination *term, int status) {
static void os_spawn_process_posix(const char *exe, ZigList<const char *> &args, Termination *term) {
pid_t pid = fork();
if (pid == -1)
zig_panic("fork failed");
zig_panic("fork failed: %s", strerror(errno));
if (pid == 0) {
// child
const char **argv = allocate<const char *>(args.length + 2);
@ -839,9 +839,9 @@ static int os_exec_process_posix(const char *exe, ZigList<const char *> &args,
if ((err = pipe(stderr_pipe)))
zig_panic("pipe failed");
pid_t pid = fork();
pid_t pid = vfork();
if (pid == -1)
zig_panic("fork failed");
zig_panic("fork failed: %s", strerror(errno));
if (pid == 0) {
// child
if (dup2(stdin_pipe[0], STDIN_FILENO) == -1)