diff options
-rw-r--r-- | tools/include/nolibc/nolibc.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index 9209da89044a..fdd5524e0e54 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -271,6 +271,8 @@ struct stat { #define WEXITSTATUS(status) (((status) & 0xff00) >> 8) #define WIFEXITED(status) (((status) & 0x7f) == 0) +/* for SIGCHLD */ +#include <asm/signal.h> /* Below comes the architecture-specific code. For each architecture, we have * the syscall declarations and the _start code definition. This is the only @@ -1529,7 +1531,15 @@ int sys_execve(const char *filename, char *const argv[], char *const envp[]) static __attribute__((unused)) pid_t sys_fork(void) { +#ifdef __NR_clone + /* note: some archs only have clone() and not fork(). Different archs + * have a different API, but most archs have the flags on first arg and + * will not use the rest with no other flag. + */ + return my_syscall5(__NR_clone, SIGCHLD, 0, 0, 0, 0); +#else return my_syscall0(__NR_fork); +#endif } static __attribute__((unused)) |