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2003-10-09  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/unix/sysv/linux/sh/syscalls.list: Add waitpid.
This commit is contained in:
Ulrich Drepper
2003-10-12 23:05:45 +00:00
parent cc0af5f451
commit fa3cbe3d5d
18 changed files with 304 additions and 431 deletions
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107
nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
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@@ -29,7 +29,8 @@
/* Initializer for compatibility lock. */
#define LLL_MUTEX_LOCK_INITIALIZER (0)
#define LLL_MUTEX_LOCK_INITIALIZER (0)
#define LLL_MUTEX_LOCK_INITIALIZER_LOCKED (1)
extern int __lll_mutex_lock_wait (int val, int *__futex) attribute_hidden;
extern int __lll_mutex_timedlock_wait (int val, int *__futex,
@@ -53,7 +54,10 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
: "=r" (__result) : "r" (&(futex)), "r" (1), "r" (0) \
: "=r" (__result) \
: "r" (&(futex)), \
"r" (LLL_MUTEX_LOCK_INITIALIZER_LOCKED), \
"r" (LLL_MUTEX_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
__result; })
@@ -63,13 +67,14 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
.align 2\n\
mova 1f,r0\n\
mov r15,r1\n\
mov #-6,r15\n\
mov #-8,r15\n\
0: mov.l @%2,%0\n\
add %0,%1\n\
tst %0,%0\n\
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (val) : "r" (__futex), "1" (1) \
: "r0", "r1", "memory"); \
: "=&r" (__result) : "r" (1), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__lll_mutex_lock_wait (__result, __futex); })
@@ -81,13 +86,14 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
.align 2\n\
mova 1f,r0\n\
mov r15,r1\n\
mov #-6,r15\n\
mov #-8,r15\n\
0: mov.l @%2,%0\n\
add %0,%1\n\
tst %0,%0\n\
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (val) : "r" (__futex), "1" (2) \
: "r0", "r1", "memory"); \
: "=&r" (__result) : "r" (2), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__lll_mutex_lock_wait (__result, __futex); })
@@ -97,13 +103,14 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
.align 2\n\
mova 1f,r0\n\
mov r15,r1\n\
mov #-6,r15\n\
mov #-8,r15\n\
0: mov.l @%2,%0\n\
add %0,%1\n\
tst %0,%0\n\
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (val) : "r" (__futex), "1" (1) \
: "r0", "r1", "memory"); \
: "=&r" (__result) : "r" (1), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
if (__result) \
__result = __lll_mutex_timedlock_wait (__result, __futex, timeout); \
__result; })
@@ -135,8 +142,8 @@ extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
typedef int lll_lock_t;
/* Initializers for lock. */
#define LLL_LOCK_INITIALIZER (1)
#define LLL_LOCK_INITIALIZER_LOCKED (0)
#define LLL_LOCK_INITIALIZER (0)
#define LLL_LOCK_INITIALIZER_LOCKED (1)
# ifdef NEED_SYSCALL_INST_PAD
@@ -179,70 +186,20 @@ typedef int lll_lock_t;
} while (0)
extern int __lll_lock_wait (int val, int *__futex) attribute_hidden;
extern int __lll_unlock_wake (int *__futex) attribute_hidden;
extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
/* The states of a lock are:
1 - untaken
0 - taken by one user
<0 - taken by more users */
0 - untaken
1 - taken by one user
2 - taken by more users */
#define lll_trylock(futex) \
({ unsigned char __result; \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
nop\n\
mov r15,r1\n\
mov #-8,r15\n\
0: mov.l @%1,r2\n\
cmp/eq r2,%3\n\
bf 1f\n\
mov.l %2,@%1\n\
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
: "=r" (__result) : "r" (&(futex)), "r" (0), "r" (1) \
: "r0", "r1", "r2", "t", "memory"); \
__result; })
#define lll_lock(futex) \
(void) ({ int __result, val, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
mov r15,r1\n\
mov #-6,r15\n\
0: mov.l @%2,%0\n\
add %0,%1\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
: "=&r" (__result), "=&r" (val) : "r" (__futex), "1" (-1) \
: "r0", "r1", "memory"); \
if (val < 0) \
__lll_lock_wait (__result, __futex); })
#define lll_unlock(futex) \
(void) ({ int __result, *__futex = &(futex); \
__asm __volatile ("\
.align 2\n\
mova 1f,r0\n\
mov r15,r1\n\
mov #-6,r15\n\
0: mov.l @%1,%0\n\
add #1,%0\n\
mov.l %0,@%1\n\
1: mov r1,r15"\
: "=&r" (__result) : "r" (__futex) \
: "r0", "r1", "memory"); \
if (__result <= 0) \
__lll_unlock_wake (__futex); })
#define lll_trylock(futex) lll_mutex_trylock (futex)
#define lll_lock(futex) lll_mutex_lock (futex)
#define lll_unlock(futex) lll_mutex_unlock (futex)
#define lll_islocked(futex) \
(futex <= 0)
(futex != LLL_LOCK_INITIALIZER)
/* The kernel notifies a process with uses CLONE_CLEARTID via futex
@@ -254,8 +211,8 @@ extern int __lll_wait_tid (int *tid) attribute_hidden;
#define lll_wait_tid(tid) \
do { \
__typeof (tid) *__tid = &(tid); \
if (*__tid != 0) \
__lll_wait_tid (__tid); \
while (*__tid != 0) \
lll_futex_wait (__tid, *__tid); \
} while (0)
extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)