From 11cf4e80748af05dd6c8f1d30609a5485bf28372 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sat, 26 Nov 2016 19:26:23 +0100 Subject: fixup gcc warnings Remove following warning from common code: warning: ISO C90 forbids mixed declarations and code --- libc/sysdeps/linux/common/__rt_sigtimedwait.c | 5 ++++- libc/sysdeps/linux/common/__syscall_fcntl.c | 9 ++++++--- libc/sysdeps/linux/common/__syscall_fcntl64.c | 7 +++++-- libc/sysdeps/linux/common/bits/syscalls-common.h | 6 ++++-- libc/sysdeps/linux/common/ioctl.c | 7 +++++-- libc/sysdeps/linux/common/open.c | 9 ++++++--- libc/sysdeps/linux/common/posix_fadvise64.c | 7 ++++--- libc/sysdeps/linux/common/pselect.c | 9 +++++---- libc/sysdeps/linux/common/sched_setaffinity.c | 9 +++++---- 9 files changed, 44 insertions(+), 24 deletions(-) (limited to 'libc/sysdeps') diff --git a/libc/sysdeps/linux/common/__rt_sigtimedwait.c b/libc/sysdeps/linux/common/__rt_sigtimedwait.c index 422a95201..9c74322ef 100644 --- a/libc/sysdeps/linux/common/__rt_sigtimedwait.c +++ b/libc/sysdeps/linux/common/__rt_sigtimedwait.c @@ -25,6 +25,9 @@ int __NC(sigtimedwait)(const sigset_t *set, siginfo_t *info, const struct timespec *timeout) { +# if defined SI_TKILL && defined SI_USER + int result; +# endif # ifdef SIGCANCEL sigset_t tmpset; @@ -50,7 +53,7 @@ int __NC(sigtimedwait)(const sigset_t *set, siginfo_t *info, /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ /* on uClibc we use the kernel sigset_t size */ - int result = INLINE_SYSCALL(rt_sigtimedwait, 4, set, info, + result = INLINE_SYSCALL(rt_sigtimedwait, 4, set, info, timeout, __SYSCALL_SIGSET_T_SIZE); /* The kernel generates a SI_TKILL code in si_code in case tkill is diff --git a/libc/sysdeps/linux/common/__syscall_fcntl.c b/libc/sysdeps/linux/common/__syscall_fcntl.c index 17c67182e..86cc60d1a 100644 --- a/libc/sysdeps/linux/common/__syscall_fcntl.c +++ b/libc/sysdeps/linux/common/__syscall_fcntl.c @@ -39,6 +39,9 @@ int fcntl(int fd, int cmd, ...) { va_list ap; long arg; +#ifdef __NEW_THREADS + int oldtype, result; +#endif va_start (ap, cmd); arg = va_arg (ap, long); @@ -51,11 +54,11 @@ int fcntl(int fd, int cmd, ...) return INLINE_SYSCALL(fcntl64, 3, fd, cmd, arg); #endif #ifdef __NEW_THREADS - int oldtype = LIBC_CANCEL_ASYNC (); + oldtype = LIBC_CANCEL_ASYNC (); #if defined __NR_fcntl - int result = __NC(fcntl)(fd, cmd, arg); + result = __NC(fcntl)(fd, cmd, arg); #else - int result = INLINE_SYSCALL(fcntl64, 3, fd, cmd, arg); + result = INLINE_SYSCALL(fcntl64, 3, fd, cmd, arg); #endif LIBC_CANCEL_RESET (oldtype); return result; diff --git a/libc/sysdeps/linux/common/__syscall_fcntl64.c b/libc/sysdeps/linux/common/__syscall_fcntl64.c index eaef22b3b..88b2b143b 100644 --- a/libc/sysdeps/linux/common/__syscall_fcntl64.c +++ b/libc/sysdeps/linux/common/__syscall_fcntl64.c @@ -23,6 +23,9 @@ int fcntl64(int fd, int cmd, ...) { long arg; va_list list; +# ifdef __NEW_THREADS + int oldtype, result; +# endif va_start(list, cmd); arg = va_arg(list, long); @@ -31,8 +34,8 @@ int fcntl64(int fd, int cmd, ...) if (SINGLE_THREAD_P || (cmd != F_SETLKW64)) return __NC(fcntl64)(fd, cmd, arg); # ifdef __NEW_THREADS - int oldtype = LIBC_CANCEL_ASYNC(); - int result = __NC(fcntl64)(fd, cmd, arg); + oldtype = LIBC_CANCEL_ASYNC(); + result = __NC(fcntl64)(fd, cmd, arg); LIBC_CANCEL_RESET(oldtype); return result; # endif diff --git a/libc/sysdeps/linux/common/bits/syscalls-common.h b/libc/sysdeps/linux/common/bits/syscalls-common.h index 86fe26c50..3665345a6 100644 --- a/libc/sysdeps/linux/common/bits/syscalls-common.h +++ b/libc/sysdeps/linux/common/bits/syscalls-common.h @@ -42,10 +42,11 @@ # define INLINE_SYSCALL_NCS(num, nr, args...) \ (__extension__ \ ({ \ + long __res; \ INTERNAL_SYSCALL_DECL(__err); \ (__extension__ \ ({ \ - long __res = INTERNAL_SYSCALL_NCS(num, __err, nr, args); \ + __res = INTERNAL_SYSCALL_NCS(num, __err, nr, args); \ if (unlikely(INTERNAL_SYSCALL_ERROR_P(__res, __err))) { \ __set_errno(INTERNAL_SYSCALL_ERRNO(__res, __err)); \ __res = -1L; \ @@ -59,8 +60,9 @@ #ifndef INLINE_SYSCALL_NOERR_NCS # define INLINE_SYSCALL_NOERR_NCS(num, nr, args...) \ ({ \ + long __res; \ INTERNAL_SYSCALL_DECL(__err); \ - long __res = INTERNAL_SYSCALL_NCS(num, __err, nr, args); \ + __res = INTERNAL_SYSCALL_NCS(num, __err, nr, args); \ __res; \ }) #endif diff --git a/libc/sysdeps/linux/common/ioctl.c b/libc/sysdeps/linux/common/ioctl.c index 9a00e614a..374b6247b 100644 --- a/libc/sysdeps/linux/common/ioctl.c +++ b/libc/sysdeps/linux/common/ioctl.c @@ -20,6 +20,9 @@ int ioctl(int fd, unsigned long int request, ...) { void *arg; va_list list; +#ifdef __NEW_THREADS + int oldtype, result; +#endif va_start(list, request); arg = va_arg(list, void *); @@ -28,8 +31,8 @@ int ioctl(int fd, unsigned long int request, ...) if (SINGLE_THREAD_P) return __syscall_ioctl(fd, request, arg); #ifdef __NEW_THREADS - int oldtype = LIBC_CANCEL_ASYNC (); - int result = __syscall_ioctl(fd, request, arg); + oldtype = LIBC_CANCEL_ASYNC (); + result = __syscall_ioctl(fd, request, arg); LIBC_CANCEL_RESET (oldtype); return result; #endif diff --git a/libc/sysdeps/linux/common/open.c b/libc/sysdeps/linux/common/open.c index fd37ea0f0..bfcb341de 100644 --- a/libc/sysdeps/linux/common/open.c +++ b/libc/sysdeps/linux/common/open.c @@ -28,6 +28,9 @@ int __open_nocancel(const char *, int, mode_t) __nonnull ((1)) attribute_hidden; int open(const char *file, int oflag, ...) { mode_t mode = 0; +#ifdef __NEW_THREADS + int oldtype, result; +#endif if (oflag & O_CREAT) { va_list arg; @@ -44,11 +47,11 @@ int open(const char *file, int oflag, ...) #endif #ifdef __NEW_THREADS - int oldtype = LIBC_CANCEL_ASYNC (); + oldtype = LIBC_CANCEL_ASYNC (); # if defined(__NR_open) - int result = __NC(open)(file, oflag, mode); + result = __NC(open)(file, oflag, mode); # else - int result = openat(AT_FDCWD, file, oflag, mode); + result = openat(AT_FDCWD, file, oflag, mode); # endif LIBC_CANCEL_RESET (oldtype); return result; diff --git a/libc/sysdeps/linux/common/posix_fadvise64.c b/libc/sysdeps/linux/common/posix_fadvise64.c index 37fb269ca..eb722ec20 100644 --- a/libc/sysdeps/linux/common/posix_fadvise64.c +++ b/libc/sysdeps/linux/common/posix_fadvise64.c @@ -22,22 +22,23 @@ int posix_fadvise64(int fd, off64_t offset, off64_t len, int advice) { + int ret; INTERNAL_SYSCALL_DECL (err); /* ARM has always been funky. */ #if defined (__arm__) || \ (defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) && (defined(__powerpc__) || defined(__xtensa__))) /* arch with 64-bit data in even reg alignment #1: [powerpc/xtensa] * custom syscall handler (rearranges @advice to avoid register hole punch) */ - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advice, + ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advice, OFF64_HI_LO (offset), OFF64_HI_LO (len)); #elif defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) /* arch with 64-bit data in even reg alignment #2: [arcv2/others-in-future] * stock syscall handler in kernel (reg hole punched) */ - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 7, fd, 0, + ret = INTERNAL_SYSCALL (fadvise64_64, err, 7, fd, 0, OFF64_HI_LO (offset), OFF64_HI_LO (len), advice); # else - int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, + ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, OFF64_HI_LO (offset), OFF64_HI_LO (len), advice); # endif diff --git a/libc/sysdeps/linux/common/pselect.c b/libc/sysdeps/linux/common/pselect.c index fbe85b780..bf2c08375 100644 --- a/libc/sysdeps/linux/common/pselect.c +++ b/libc/sysdeps/linux/common/pselect.c @@ -36,10 +36,6 @@ static int __NC(pselect)(int nfds, fd_set *readfds, fd_set *writefds, */ struct timespec _ts; - if (timeout != NULL) { - _ts = *timeout; - timeout = &_ts; - } /* Note: the system call expects 7 values but on most architectures we can only pass in 6 directly. If there is an architecture with support for more parameters a new version of this file needs to @@ -49,6 +45,11 @@ static int __NC(pselect)(int nfds, fd_set *readfds, fd_set *writefds, __kernel_size_t ss_len; } data; + if (timeout != NULL) { + _ts = *timeout; + timeout = &_ts; + } + if (sigmask != NULL) { data.ss = (__kernel_ulong_t) sigmask; data.ss_len = __SYSCALL_SIGSET_T_SIZE; diff --git a/libc/sysdeps/linux/common/sched_setaffinity.c b/libc/sysdeps/linux/common/sched_setaffinity.c index 927744ea5..3d513ef4b 100644 --- a/libc/sysdeps/linux/common/sched_setaffinity.c +++ b/libc/sysdeps/linux/common/sched_setaffinity.c @@ -32,12 +32,13 @@ static size_t __kernel_cpumask_size; int sched_setaffinity(pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset) { size_t cnt; + int res; + size_t psize = 128; + void *p = alloca (psize); + if (unlikely (__kernel_cpumask_size == 0)) { - INTERNAL_SYSCALL_DECL (err); - int res; - size_t psize = 128; - void *p = alloca (psize); + INTERNAL_SYSCALL_DECL (err); while (res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, getpid (), psize, p), INTERNAL_SYSCALL_ERROR_P (res, err) -- cgit v1.2.3