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author | Ulrich Drepper <drepper@redhat.com> | 2007-07-28 20:16:07 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2007-07-28 20:16:07 +0000 |
commit | 085a44122074e67d56dca0c4f88f01d450ae82ad (patch) | |
tree | 51042f8853e47a41e4bb5f220587e7a70b8ca406 /nptl/sysdeps/unix/sysv/linux/s390 | |
parent | ae1ad762f0687afb37761085cb6e83305afe4521 (diff) | |
download | glibc-085a44122074e67d56dca0c4f88f01d450ae82ad.tar.gz glibc-085a44122074e67d56dca0c4f88f01d450ae82ad.tar.xz glibc-085a44122074e67d56dca0c4f88f01d450ae82ad.zip |
* iconvdata/gbk.c (BODY): Make buf and cp char instead of unsigned
char array resp. pointer. * iconvdata/iso-2022-kr.c (BODY): Make buf unsigned char instead of char array. * iconvdata/cns11643.h (cns11643_to_ucs4): Change first argument to const unsigned char **. (ucs4_to_cns11643): Change second argument to unsigned char *. * iconvdata/euc-tw.c (BODY): Change endp type to const unsigned char *. * iconvdata/iso-ir-165.h (ucs4_to_isoir165): Change second argument to unsigned char *. * iconvdata/ibm1008_420.c (LOOP_NEED_FLAGS): Don't define. * iconvdata/iso-2022-cn.c (BODY): Change buf to unsigned char array. * iconvdata/iso-2022-cn-ext.c (BODY): Change buf, tmpbuf, tmp types to unsigned char pointers/arrays instead of char. * iconvdata/jis0201.h (ucs4_to_jisx0201): Change second argument to unsigned char *. * iconvdata/jis0208.h (ucs4_to_jisx0208): Likewise. * iconvdata/jis0212.h: Include assert.h. (ucs4_to_jisx0212): Change second argument to unsigned char *. assert that if cp[0] is not '\0', cp[1] is not '\0' either instead of trying to handle that. * iconvdata/euc-kr.c (euckr_from_ucs4): Initialize also cp[1] to shut up a warning. * iconvdata/euc-jp-ms.c (from_ucs4_lat1, from_ucs4_greek, from_ucs4_cjk, from_ucs4_cjkcpt, from_ucs4_extra): Change type to two dimensional const unsigned char arrays. (BODY): Cast "" to (const unsigned char *) for assignment to cp. Initialize endp to inptr to shut up a warning.
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390')
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h | 70 | ||||
-rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/pthread_once.c | 8 |
2 files changed, 49 insertions, 29 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h index d915facba1..4758b63bd0 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/s390/lowlevellock.h @@ -35,31 +35,50 @@ #define FUTEX_LOCK_PI 6 #define FUTEX_UNLOCK_PI 7 #define FUTEX_TRYLOCK_PI 8 +#define FUTEX_PRIVATE_FLAG 128 + +/* Values for 'private' parameter of locking macros. Yes, the + definition seems to be backwards. But it is not. The bit will be + reversed before passing to the system call. */ +#define LLL_PRIVATE 0 +#define LLL_SHARED FUTEX_PRIVATE_FLAG + + +#if !defined NOT_IN_libc || defined IS_IN_rtld +/* In libc.so or ld.so all futexes are private. */ +# ifdef __ASSUME_PRIVATE_FUTEX +# define __lll_private_flag(fl, private) \ + ((fl) | FUTEX_PRIVATE_FLAG) +# else +# define __lll_private_flag(fl, private) \ + ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) +# endif +#else +# ifdef __ASSUME_PRIVATE_FUTEX +# define __lll_private_flag(fl, private) \ + (((fl) | FUTEX_PRIVATE_FLAG) ^ (private)) +# else +# define __lll_private_flag(fl, private) \ + (__builtin_constant_p (private) \ + ? ((private) == 0 \ + ? ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) \ + : (fl)) \ + : ((fl) | (((private) ^ FUTEX_PRIVATE_FLAG) \ + & THREAD_GETMEM (THREAD_SELF, header.private_futex)))) +# endif +#endif /* Initializer for compatibility lock. */ #define LLL_MUTEX_LOCK_INITIALIZER (0) -#define lll_futex_wait(futex, val) \ - ({ \ - register unsigned long int __r2 asm ("2") = (unsigned long int) (futex); \ - register unsigned long int __r3 asm ("3") = FUTEX_WAIT; \ - register unsigned long int __r4 asm ("4") = (unsigned long int) (val); \ - register unsigned long int __r5 asm ("5") = 0ul; \ - register unsigned long __result asm ("2"); \ - \ - __asm __volatile ("svc %b1" \ - : "=d" (__result) \ - : "i" (SYS_futex), "0" (__r2), "d" (__r3), \ - "d" (__r4), "d" (__r5) \ - : "cc", "memory" ); \ - __result; \ - }) - +#define lll_futex_wait(futex, val, private) \ + lll_futex_timed_wait (futex, val, NULL, private) -#define lll_futex_timed_wait(futex, val, timespec) \ +#define lll_futex_timed_wait(futex, val, timespec, private) \ ({ \ register unsigned long int __r2 asm ("2") = (unsigned long int) (futex); \ - register unsigned long int __r3 asm ("3") = FUTEX_WAIT; \ + register unsigned long int __r3 asm ("3") \ + = __lll_private_flag (FUTEX_WAIT, private); \ register unsigned long int __r4 asm ("4") = (unsigned long int) (val); \ register unsigned long int __r5 asm ("5") = (unsigned long int)(timespec);\ register unsigned long int __result asm ("2"); \ @@ -73,10 +92,11 @@ }) -#define lll_futex_wake(futex, nr) \ +#define lll_futex_wake(futex, nr, private) \ ({ \ register unsigned long int __r2 asm ("2") = (unsigned long int) (futex); \ - register unsigned long int __r3 asm ("3") = FUTEX_WAKE; \ + register unsigned long int __r3 asm ("3") \ + __lll_private_flag (FUTEX_WAKE, private); \ register unsigned long int __r4 asm ("4") = (unsigned long int) (nr); \ register unsigned long int __result asm ("2"); \ \ @@ -94,7 +114,7 @@ int *__futexp = &(futexv); \ \ atomic_or (__futexp, FUTEX_OWNER_DIED); \ - lll_futex_wake (__futexp, 1); \ + lll_futex_wake (__futexp, 1, LLL_SHARED); \ } \ while (0) @@ -271,7 +291,7 @@ __lll_mutex_unlock (int *futex) lll_compare_and_swap (futex, oldval, newval, "slr %2,%2"); if (oldval > 1) - lll_futex_wake (futex, 1); + lll_futex_wake (futex, 1, LLL_SHARED); } #define lll_mutex_unlock(futex) \ __lll_mutex_unlock(&(futex)) @@ -286,7 +306,7 @@ __lll_robust_mutex_unlock (int *futex, int mask) lll_compare_and_swap (futex, oldval, newval, "slr %2,%2"); if (oldval & mask) - lll_futex_wake (futex, 1); + lll_futex_wake (futex, 1, LLL_SHARED); } #define lll_robust_mutex_unlock(futex) \ __lll_robust_mutex_unlock(&(futex), FUTEX_WAITERS) @@ -297,7 +317,7 @@ __attribute__ ((always_inline)) __lll_mutex_unlock_force (int *futex) { *futex = 0; - lll_futex_wake (futex, 1); + lll_futex_wake (futex, 1, LLL_SHARED); } #define lll_mutex_unlock_force(futex) \ __lll_mutex_unlock_force(&(futex)) @@ -338,7 +358,7 @@ __lll_wait_tid (int *ptid) int tid; while ((tid = *ptid) != 0) - lll_futex_wait (ptid, tid); + lll_futex_wait (ptid, tid, LLL_SHARED); } #define lll_wait_tid(tid) __lll_wait_tid(&(tid)) diff --git a/nptl/sysdeps/unix/sysv/linux/s390/pthread_once.c b/nptl/sysdeps/unix/sysv/linux/s390/pthread_once.c index f29e23fd4b..0012e9ae27 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/pthread_once.c +++ b/nptl/sysdeps/unix/sysv/linux/s390/pthread_once.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. +/* Copyright (C) 2003, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. @@ -30,7 +30,7 @@ clear_once_control (void *arg) pthread_once_t *once_control = (pthread_once_t *) arg; *once_control = 0; - lll_futex_wake (once_control, INT_MAX); + lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE); } @@ -76,7 +76,7 @@ __pthread_once (once_control, init_routine) if (((oldval ^ newval) & -4) == 0) { /* Same generation, some other thread was faster. Wait. */ - lll_futex_wait (once_control, newval); + lll_futex_wait (once_control, newval, LLL_PRIVATE); continue; } } @@ -101,7 +101,7 @@ __pthread_once (once_control, init_routine) : "m" (*once_control) : "cc" ); /* Wake up all other threads. */ - lll_futex_wake (once_control, INT_MAX); + lll_futex_wake (once_control, INT_MAX, LLL_PRIVATE); break; } |