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-rw-r--r--libc/sysdeps/linux/common/bits/syscalls-common.h17
-rw-r--r--libc/sysdeps/linux/common/clock_gettime.c10
-rw-r--r--libc/sysdeps/linux/common/prctl.c2
-rw-r--r--libc/sysdeps/linux/common/time.c13
-rw-r--r--libc/sysdeps/linux/common/times.c2
-rw-r--r--libc/sysdeps/linux/powerpc/bits/sysdep.h10
-rw-r--r--libc/sysdeps/linux/sparc/sigaction.c9
7 files changed, 40 insertions, 23 deletions
diff --git a/libc/sysdeps/linux/common/bits/syscalls-common.h b/libc/sysdeps/linux/common/bits/syscalls-common.h
index 78bbf6c22..5e4e350c5 100644
--- a/libc/sysdeps/linux/common/bits/syscalls-common.h
+++ b/libc/sysdeps/linux/common/bits/syscalls-common.h
@@ -33,6 +33,9 @@
#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
@@ -47,6 +50,14 @@
__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
@@ -80,8 +91,14 @@ type name(C_DECL_ARGS_##nargs(args)) { \
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)
diff --git a/libc/sysdeps/linux/common/clock_gettime.c b/libc/sysdeps/linux/common/clock_gettime.c
index 888cd64b0..d3755a7a8 100644
--- a/libc/sysdeps/linux/common/clock_gettime.c
+++ b/libc/sysdeps/linux/common/clock_gettime.c
@@ -23,10 +23,12 @@ int clock_gettime(clockid_t clock_id, struct timespec* tp)
switch (clock_id) {
case CLOCK_REALTIME:
- retval = gettimeofday(&tv, NULL);
- if (retval == 0) {
- TIMEVAL_TO_TIMESPEC(&tv, tp);
- }
+ /* In Linux, gettimeofday fails only on bad parameter.
+ * We know that here parameter isn't bad.
+ */
+ gettimeofday(&tv, NULL);
+ TIMEVAL_TO_TIMESPEC(&tv, tp);
+ retval = 0;
break;
default:
diff --git a/libc/sysdeps/linux/common/prctl.c b/libc/sysdeps/linux/common/prctl.c
index a6764c532..39c0d4fb0 100644
--- a/libc/sysdeps/linux/common/prctl.c
+++ b/libc/sysdeps/linux/common/prctl.c
@@ -13,5 +13,5 @@
#ifdef __NR_prctl
extern int prctl (int, long, long, long, long);
-_syscall5(int, prctl, int, option, long, arg2, long, arg3, long, arg4, long, arg5)
+_syscall5(int, prctl, int, option, long, _a2, long, _a3, long, _a4, long, _a5)
#endif
diff --git a/libc/sysdeps/linux/common/time.c b/libc/sysdeps/linux/common/time.c
index 0d9e412bf..e13b44f4d 100644
--- a/libc/sysdeps/linux/common/time.c
+++ b/libc/sysdeps/linux/common/time.c
@@ -13,19 +13,18 @@
#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;
}
diff --git a/libc/sysdeps/linux/common/times.c b/libc/sysdeps/linux/common/times.c
index e71d1bd71..37ae040d4 100644
--- a/libc/sysdeps/linux/common/times.c
+++ b/libc/sysdeps/linux/common/times.c
@@ -11,5 +11,5 @@
#include <sys/times.h>
-_syscall1(clock_t, times, struct tms *, buf)
+_syscall_noerr1(clock_t, times, struct tms *, buf)
libc_hidden_def(times)
diff --git a/libc/sysdeps/linux/powerpc/bits/sysdep.h b/libc/sysdeps/linux/powerpc/bits/sysdep.h
index c42efbabd..478ebdd7a 100644
--- a/libc/sysdeps/linux/powerpc/bits/sysdep.h
+++ b/libc/sysdeps/linux/powerpc/bits/sysdep.h
@@ -182,7 +182,6 @@
# undef INTERNAL_SYSCALL_DECL
# define INTERNAL_SYSCALL_DECL(err) long int err
-# undef INTERNAL_SYSCALL
# define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
({ \
register long int r0 __asm__ ("r0"); \
@@ -196,7 +195,7 @@
register long int r10 __asm__ ("r10"); \
register long int r11 __asm__ ("r11"); \
register long int r12 __asm__ ("r12"); \
- LOADARGS_##nr(name, args); \
+ LOADARGS_##nr(name, args); \
__asm__ __volatile__ \
("sc \n\t" \
"mfcr %0" \
@@ -208,6 +207,7 @@
err = r0; \
(int) r3; \
})
+# undef INTERNAL_SYSCALL
# define INTERNAL_SYSCALL(name, err, nr, args...) \
INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args)
@@ -218,11 +218,11 @@
# undef INTERNAL_SYSCALL_ERRNO
# define INTERNAL_SYSCALL_ERRNO(val, err) (val)
-# define LOADARGS_0(name, dummy) \
+# define LOADARGS_0(name, dummy) \
r0 = name
# define LOADARGS_1(name, __arg1) \
- long int arg1 = (long int) (__arg1); \
- LOADARGS_0(name, 0); \
+ long int arg1 = (long int) (__arg1); \
+ LOADARGS_0(name, 0); \
extern void __illegally_sized_syscall_arg1 (void); \
if (__builtin_classify_type (__arg1) != 5 && sizeof (__arg1) > 4) \
__illegally_sized_syscall_arg1 (); \
diff --git a/libc/sysdeps/linux/sparc/sigaction.c b/libc/sysdeps/linux/sparc/sigaction.c
index a22ac40af..7140fd3a4 100644
--- a/libc/sysdeps/linux/sparc/sigaction.c
+++ b/libc/sysdeps/linux/sparc/sigaction.c
@@ -34,7 +34,8 @@ _syscall5(int, rt_sigaction, int, a, int, b, int, c, int, d, int, e);
static void __rt_sigreturn_stub(void);
static void __sigreturn_stub(void);
-int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
+libc_hidden_proto(sigaction)
+int sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
{
int ret;
struct sigaction kact, koact;
@@ -65,10 +66,8 @@ int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oac
return ret;
}
-#ifndef LIBC_SIGACTION
-weak_alias(__libc_sigaction,sigaction)
-libc_hidden_weak(sigaction)
-#endif
+libc_hidden_def(sigaction)
+weak_alias(sigaction,__libc_sigaction)
static void
__rt_sigreturn_stub(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 14:07:58 +0000