summaryrefslogtreecommitdiff
path: root/libpthread
diff options
context:
space:
mode:
Diffstat (limited to 'libpthread')
-rw-r--r--libpthread/nptl/allocatestack.c2
-rw-r--r--libpthread/nptl/pthreadP.h14
-rw-r--r--libpthread/nptl/pthread_cancel.c2
-rw-r--r--libpthread/nptl/pthread_create.c4
-rw-r--r--libpthread/nptl/sysdeps/pthread/createthread.c2
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c4
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c2
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/raise.c8
8 files changed, 20 insertions, 18 deletions
diff --git a/libpthread/nptl/allocatestack.c b/libpthread/nptl/allocatestack.c
index 9ffa7e7e2..1c549cee1 100644
--- a/libpthread/nptl/allocatestack.c
+++ b/libpthread/nptl/allocatestack.c
@@ -993,7 +993,7 @@ setxid_signal_thread (struct xid_command *cmdp, struct pthread *t)
int val;
INTERNAL_SYSCALL_DECL (err);
-#if __ASSUME_TGKILL
+#if defined (__ASSUME_TGKILL) && __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
t->tid, SIGSETXID);
#else
diff --git a/libpthread/nptl/pthreadP.h b/libpthread/nptl/pthreadP.h
index c45bd1170..fbac7d08f 100644
--- a/libpthread/nptl/pthreadP.h
+++ b/libpthread/nptl/pthreadP.h
@@ -274,6 +274,8 @@ __do_cancel (void)
#define CANCEL_RESET(oldtype) \
__pthread_disable_asynccancel (oldtype)
+#define __LABEL_PREFIX__ __stringify(__USER_LABEL_PREFIX__)
+
#if !defined NOT_IN_libc
/* Same as CANCEL_ASYNC, but for use in libc.so. */
# define LIBC_CANCEL_ASYNC() \
@@ -282,22 +284,22 @@ __do_cancel (void)
# define LIBC_CANCEL_RESET(oldtype) \
__libc_disable_asynccancel (oldtype)
# define LIBC_CANCEL_HANDLED() \
- __asm__ (".globl " __USER_LABEL_PREFIX__ "__libc_enable_asynccancel"); \
- __asm__ (".globl " __USER_LABEL_PREFIX__ "__libc_disable_asynccancel")
+ __asm__ (".globl " __LABEL_PREFIX__ "__libc_enable_asynccancel"); \
+ __asm__ (".globl " __LABEL_PREFIX__ "__libc_disable_asynccancel")
#elif defined NOT_IN_libc && defined IS_IN_libpthread
# define LIBC_CANCEL_ASYNC() CANCEL_ASYNC ()
# define LIBC_CANCEL_RESET(val) CANCEL_RESET (val)
# define LIBC_CANCEL_HANDLED() \
- __asm__ (".globl " __USER_LABEL_PREFIX__ "__pthread_enable_asynccancel"); \
- __asm__ (".globl " __USER_LABEL_PREFIX__ "__pthread_disable_asynccancel")
+ __asm__ (".globl " __LABEL_PREFIX__ "__pthread_enable_asynccancel"); \
+ __asm__ (".globl " __LABEL_PREFIX__ "__pthread_disable_asynccancel")
#elif defined NOT_IN_libc && defined IS_IN_librt
# define LIBC_CANCEL_ASYNC() \
__librt_enable_asynccancel ()
# define LIBC_CANCEL_RESET(val) \
__librt_disable_asynccancel (val)
# define LIBC_CANCEL_HANDLED() \
- __asm__ (".globl " __USER_LABEL_PREFIX__ "__librt_enable_asynccancel"); \
- __asm__ (".globl " __USER_LABEL_PREFIX__ "__librt_disable_asynccancel")
+ __asm__ (".globl " __LABEL_PREFIX__ "__librt_enable_asynccancel"); \
+ __asm__ (".globl " __LABEL_PREFIX__ "__librt_disable_asynccancel")
#else
# define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */
# define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */
diff --git a/libpthread/nptl/pthread_cancel.c b/libpthread/nptl/pthread_cancel.c
index 4a958bcde..163fa0243 100644
--- a/libpthread/nptl/pthread_cancel.c
+++ b/libpthread/nptl/pthread_cancel.c
@@ -76,7 +76,7 @@ pthread_cancel (
a signal handler. But this is no allowed, pthread_cancel
is not guaranteed to be async-safe. */
int val;
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3,
THREAD_GETMEM (THREAD_SELF, pid), pd->tid,
SIGCANCEL);
diff --git a/libpthread/nptl/pthread_create.c b/libpthread/nptl/pthread_create.c
index 63e5588d5..86ff1488b 100644
--- a/libpthread/nptl/pthread_create.c
+++ b/libpthread/nptl/pthread_create.c
@@ -379,11 +379,11 @@ start_thread (void *arg)
/* Mark the memory of the stack as usable to the kernel. We free
everything except for the space used for the TCB itself. */
size_t pagesize_m1 = __getpagesize () - 1;
-#ifdef _STACK_GROWS_DOWN
char *sp = CURRENT_STACK_FRAME;
+#ifdef _STACK_GROWS_DOWN
size_t freesize = (sp - (char *) pd->stackblock) & ~pagesize_m1;
#else
-# error "to do"
+ size_t freesize = ((char *) pd->stackblock - sp) & ~pagesize_m1;
#endif
assert (freesize < pd->stackblock_size);
if (freesize > PTHREAD_STACK_MIN)
diff --git a/libpthread/nptl/sysdeps/pthread/createthread.c b/libpthread/nptl/sysdeps/pthread/createthread.c
index a676e277f..ce86f5f33 100644
--- a/libpthread/nptl/sysdeps/pthread/createthread.c
+++ b/libpthread/nptl/sysdeps/pthread/createthread.c
@@ -106,7 +106,7 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr,
send it the cancellation signal. */
INTERNAL_SYSCALL_DECL (err2);
err_out:
-#if __ASSUME_TGKILL
+#if defined (__ASSUME_TGKILL) && __ASSUME_TGKILL
(void) INTERNAL_SYSCALL (tgkill, err2, 3,
THREAD_GETMEM (THREAD_SELF, pid),
pd->tid, SIGCANCEL);
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
index d256ebcb0..622bb66ca 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
@@ -28,7 +28,7 @@ int
raise (
int sig)
{
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
/* raise is an async-safe function. It could be called while the
fork function temporarily invalidated the PID field. Adjust for
that. */
@@ -37,7 +37,7 @@ raise (
pid = -pid;
#endif
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
sig);
#else
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index 3a70c3764..2d6bb8002 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -59,7 +59,7 @@ __pthread_kill (
fork, it would have to happen in a signal handler. But this is
no allowed, pthread_kill is not guaranteed to be async-safe. */
int val;
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
tid, signo);
#else
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
index da35cfe9f..708ed6d76 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
@@ -30,7 +30,7 @@ raise (
int sig)
{
struct pthread *pd = THREAD_SELF;
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
pid_t pid = THREAD_GETMEM (pd, pid);
#endif
pid_t selftid = THREAD_GETMEM (pd, tid);
@@ -45,13 +45,13 @@ raise (
#endif
THREAD_SETMEM (pd, tid, selftid);
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
/* We do not set the PID field in the TID here since we might be
called from a signal handler while the thread executes fork. */
pid = selftid;
#endif
}
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
else
/* raise is an async-safe function. It could be called while the
fork/vfork function temporarily invalidated the PID field. Adjust for
@@ -60,7 +60,7 @@ raise (
pid = (pid & INT_MAX) == 0 ? selftid : -pid;
#endif
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
#else
# ifdef __NR_tgkill
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 03:16:21 +0000