#ifndef INLINE_SYSCALL
# define INLINE_SYSCALL(name, nr, args...) INLINE_SYSCALL_NCS(__NR_##name, nr, args)
#endif
+#ifndef INLINE_SYSCALL_NOERR
+# define INLINE_SYSCALL_NOERR(name, nr, args...) INLINE_SYSCALL_NOERR_NCS(__NR_##name, nr, args)
+#endif
/* Just like INLINE_SYSCALL(), but take a non-constant syscall (NCS) argument */
#ifndef INLINE_SYSCALL_NCS
__res; \
})
#endif
+#ifndef INLINE_SYSCALL_NOERR_NCS
+# define INLINE_SYSCALL_NOERR_NCS(name, nr, args...) \
+({ \
+ INTERNAL_SYSCALL_DECL(__err); \
+ long __res = INTERNAL_SYSCALL_NCS(name, __err, nr, args); \
+ __res; \
+})
+#endif
/* No point in forcing people to implement both when they only need one */
#ifndef INTERNAL_SYSCALL
return (type)INLINE_SYSCALL(name, nargs, C_ARGS_##nargs(args)); \
}
+#define SYSCALL_NOERR_FUNC(nargs, type, name, args...) \
+type name(C_DECL_ARGS_##nargs(args)) { \
+ return (type)INLINE_SYSCALL_NOERR(name, nargs, C_ARGS_##nargs(args)); \
+}
+
#define _syscall0(args...) SYSCALL_FUNC(0, args)
#define _syscall1(args...) SYSCALL_FUNC(1, args)
+#define _syscall_noerr1(args...) SYSCALL_NOERR_FUNC(1, args)
#define _syscall2(args...) SYSCALL_FUNC(2, args)
#define _syscall3(args...) SYSCALL_FUNC(3, args)
#define _syscall4(args...) SYSCALL_FUNC(4, args)
#ifdef __NR_time
-_syscall1(time_t, time, time_t *, t)
+_syscall_noerr1(time_t, time, time_t *, t)
#else
-
time_t time(time_t * t)
{
time_t result;
struct timeval tv;
- if (gettimeofday(&tv, (struct timezone *) NULL)) {
- result = (time_t) - 1;
- } else {
- result = (time_t) tv.tv_sec;
- }
+ /* In Linux, gettimeofday fails only on bad parameter.
+ * We know that here parameter isn't bad.
+ */
+ gettimeofday(&tv, NULL);
+ result = (time_t) tv.tv_sec;
if (t != NULL) {
*t = result;
}