diff options
Diffstat (limited to 'libcap/psx.c')
| -rw-r--r-- | libcap/psx.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/libcap/psx.c b/libcap/psx.c index 2ae5ea7..1de5ac1 100644 --- a/libcap/psx.c +++ b/libcap/psx.c @@ -9,6 +9,8 @@ * psx_syscall()-like function that leveraged the nptl:setxid * mechanism to synchronize thread state over the whole process. */ +#define _POSIX_C_SOURCE 199309L +#define _GNU_SOURCE #include <errno.h> #include <pthread.h> @@ -16,8 +18,9 @@ #include <stdarg.h> #include <stdio.h> #include <stdlib.h> -#include <sys/psx_syscall.h> #include <unistd.h> +#include <sys/psx_syscall.h> +#include <sys/syscall.h> /* * share_psx_syscall() is invoked to advertize the two functions @@ -144,7 +147,7 @@ static void psx_do_registration(pthread_t thread) { (void) pthread_once(&psx_tracker_initialized, psx_syscall_start); if (first_time) { - // First invocation, use recursion to register main() thread. + /* First invocation, use recursion to register main() thread. */ psx_do_registration(pthread_self()); } @@ -246,10 +249,11 @@ int __wrap_pthread_create(pthread_t *thread, const pthread_attr_t *attr, */ long int __psx_syscall(long int syscall_nr, ...) { long int arg[7]; + int i; va_list aptr; va_start(aptr, syscall_nr); - for (int i = 0; i < 7; i++) { + for (i = 0; i < 7; i++) { arg[i] = va_arg(aptr, long int); } va_end(aptr); @@ -298,8 +302,8 @@ long int __psx_syscall(long int syscall_nr, ...) { psx_tracker.cmd.active = 1; pthread_t self = pthread_self(); - registered_thread_t *next = NULL; - for (registered_thread_t *ref = psx_tracker.root; ref; ref = next) { + registered_thread_t *next = NULL, *ref; + for (ref = psx_tracker.root; ref; ref = next) { next = ref->next; if (ref->thread == self) { continue; |