diff options
Diffstat (limited to 'compiler_wrapper/libc_exec.go')
| -rw-r--r-- | compiler_wrapper/libc_exec.go | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/compiler_wrapper/libc_exec.go b/compiler_wrapper/libc_exec.go index f8db9d86..d9867733 100644 --- a/compiler_wrapper/libc_exec.go +++ b/compiler_wrapper/libc_exec.go @@ -7,15 +7,31 @@ package main // #include <errno.h> +// #include <stdio.h> // #include <stdlib.h> // #include <string.h> // #include <unistd.h> +// #include <sys/types.h> +// #include <sys/wait.h> // // int libc_exec(const char *pathname, char *const argv[], char *const envp[]) { -// if (execve(pathname, argv, envp) != 0) { +// // Since fork() brings us to one thread, we can only use async-signal-safe funcs below. +// pid_t pid = fork(); +// if (pid == 0) { +// execve(pathname, argv, envp); +// fprintf(stderr, "exec failed (errno: %d)\n", errno); +// _exit(1); +// } +// if (pid < 0) { +// return errno; +// } +// +// int wstatus; +// pid_t waited = waitpid(pid, &wstatus, 0); +// if (waited == -1) { // return errno; // } -// return 0; +// exit(WEXITSTATUS(wstatus)); //} import "C" import ( @@ -29,7 +45,7 @@ import ( // Note that this changes the go binary to be a dynamically linked one. // See crbug.com/1000863 for details. // To use this version of exec, please add '-tags libc_exec' when building Go binary. -// Without the tags, libc_exec.go will be used. +// Without the tags, libc_exec.go will not be used. func execCmd(env env, cmd *command) error { freeList := []unsafe.Pointer{} |