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authorJeff Dike <jdike@addtoit.com>2006-04-18 22:21:41 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-19 09:13:51 -0700
commitad28e029789ef46aebdfb9ece01d431ce1c637c8 (patch)
treee2e5dffefbb2484324ac4d0e74b77d312058b4a5 /arch
parent4127272c38619c56f0c1aa01d01c7bd757db70a1 (diff)
downloadop-kernel-dev-ad28e029789ef46aebdfb9ece01d431ce1c637c8.zip
op-kernel-dev-ad28e029789ef46aebdfb9ece01d431ce1c637c8.tar.gz
[PATCH] uml: change sigjmp_buf to jmp_buf
Clean up the jmpbuf code. Since softints, we no longer use sig_setjmp, so the UML_SIGSETJMP wrapper now has a misleading name. Also, I forgot to change the buffers from sigjmp_buf to jmp_buf. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/um/include/longjmp.h4
-rw-r--r--arch/um/os-Linux/process.c4
-rw-r--r--arch/um/os-Linux/skas/process.c36
-rw-r--r--arch/um/os-Linux/trap.c4
-rw-r--r--arch/um/os-Linux/uaccess.c4
-rw-r--r--arch/um/os-Linux/util.c2
6 files changed, 27 insertions, 27 deletions
diff --git a/arch/um/include/longjmp.h b/arch/um/include/longjmp.h
index 018b381..8e70530 100644
--- a/arch/um/include/longjmp.h
+++ b/arch/um/include/longjmp.h
@@ -4,11 +4,11 @@
#include <setjmp.h>
#include "os.h"
-#define UML_SIGLONGJMP(buf, val) do { \
+#define UML_LONGJMP(buf, val) do { \
longjmp(*buf, val); \
} while(0)
-#define UML_SIGSETJMP(buf, enable) ({ \
+#define UML_SETJMP(buf, enable) ({ \
int n; \
enable = get_signals(); \
n = setjmp(*buf); \
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index 2064e840..3505f44 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -266,11 +266,11 @@ void init_new_thread_signals(int altstack)
int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
{
- sigjmp_buf buf;
+ jmp_buf buf;
int n, enable;
*jmp_ptr = &buf;
- n = UML_SIGSETJMP(&buf, enable);
+ n = UML_SETJMP(&buf, enable);
if(n != 0)
return(n);
(*fn)(arg);
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 045ae00..0776bc1 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -434,7 +434,7 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
void (*handler)(int))
{
unsigned long flags;
- sigjmp_buf switch_buf, fork_buf;
+ jmp_buf switch_buf, fork_buf;
int enable;
*switch_buf_ptr = &switch_buf;
@@ -450,7 +450,7 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
*/
flags = get_signals();
block_signals();
- if(UML_SIGSETJMP(&fork_buf, enable) == 0)
+ if(UML_SETJMP(&fork_buf, enable) == 0)
new_thread_proc(stack, handler);
remove_sigstack();
@@ -466,35 +466,35 @@ void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
void thread_wait(void *sw, void *fb)
{
- sigjmp_buf buf, **switch_buf = sw, *fork_buf;
+ jmp_buf buf, **switch_buf = sw, *fork_buf;
int enable;
*switch_buf = &buf;
fork_buf = fb;
- if(UML_SIGSETJMP(&buf, enable) == 0)
+ if(UML_SETJMP(&buf, enable) == 0)
siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK);
}
void switch_threads(void *me, void *next)
{
- sigjmp_buf my_buf, **me_ptr = me, *next_buf = next;
+ jmp_buf my_buf, **me_ptr = me, *next_buf = next;
int enable;
*me_ptr = &my_buf;
- if(UML_SIGSETJMP(&my_buf, enable) == 0)
- UML_SIGLONGJMP(next_buf, 1);
+ if(UML_SETJMP(&my_buf, enable) == 0)
+ UML_LONGJMP(next_buf, 1);
}
-static sigjmp_buf initial_jmpbuf;
+static jmp_buf initial_jmpbuf;
/* XXX Make these percpu */
static void (*cb_proc)(void *arg);
static void *cb_arg;
-static sigjmp_buf *cb_back;
+static jmp_buf *cb_back;
int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
{
- sigjmp_buf **switch_buf = switch_buf_ptr;
+ jmp_buf **switch_buf = switch_buf_ptr;
int n, enable;
set_handler(SIGWINCH, (__sighandler_t) sig_handler,
@@ -502,7 +502,7 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
SIGVTALRM, -1);
*fork_buf_ptr = &initial_jmpbuf;
- n = UML_SIGSETJMP(&initial_jmpbuf, enable);
+ n = UML_SETJMP(&initial_jmpbuf, enable);
switch(n){
case INIT_JMP_NEW_THREAD:
new_thread_proc((void *) stack, new_thread_handler);
@@ -512,7 +512,7 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
break;
case INIT_JMP_CALLBACK:
(*cb_proc)(cb_arg);
- UML_SIGLONGJMP(cb_back, 1);
+ UML_LONGJMP(cb_back, 1);
break;
case INIT_JMP_HALT:
kmalloc_ok = 0;
@@ -523,12 +523,12 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
default:
panic("Bad sigsetjmp return in start_idle_thread - %d\n", n);
}
- UML_SIGLONGJMP(*switch_buf, 1);
+ UML_LONGJMP(*switch_buf, 1);
}
void initial_thread_cb_skas(void (*proc)(void *), void *arg)
{
- sigjmp_buf here;
+ jmp_buf here;
int enable;
cb_proc = proc;
@@ -536,8 +536,8 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg)
cb_back = &here;
block_signals();
- if(UML_SIGSETJMP(&here, enable) == 0)
- UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_CALLBACK);
+ if(UML_SETJMP(&here, enable) == 0)
+ UML_LONGJMP(&initial_jmpbuf, INIT_JMP_CALLBACK);
unblock_signals();
cb_proc = NULL;
@@ -548,13 +548,13 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg)
void halt_skas(void)
{
block_signals();
- UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_HALT);
+ UML_LONGJMP(&initial_jmpbuf, INIT_JMP_HALT);
}
void reboot_skas(void)
{
block_signals();
- UML_SIGLONGJMP(&initial_jmpbuf, INIT_JMP_REBOOT);
+ UML_LONGJMP(&initial_jmpbuf, INIT_JMP_REBOOT);
}
void switch_mm_skas(struct mm_id *mm_idp)
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
index a9f6b26..90b29ae 100644
--- a/arch/um/os-Linux/trap.c
+++ b/arch/um/os-Linux/trap.c
@@ -35,7 +35,7 @@ void os_fill_handlinfo(struct kern_handlers h)
void do_longjmp(void *b, int val)
{
- sigjmp_buf *buf = b;
+ jmp_buf *buf = b;
- UML_SIGLONGJMP(buf, val);
+ UML_LONGJMP(buf, val);
}
diff --git a/arch/um/os-Linux/uaccess.c b/arch/um/os-Linux/uaccess.c
index 166fb66..e523719 100644
--- a/arch/um/os-Linux/uaccess.c
+++ b/arch/um/os-Linux/uaccess.c
@@ -16,9 +16,9 @@ unsigned long __do_user_copy(void *to, const void *from, int n,
unsigned long *faddrp = (unsigned long *) fault_addr, ret;
int enable;
- sigjmp_buf jbuf;
+ jmp_buf jbuf;
*fault_catcher = &jbuf;
- if(UML_SIGSETJMP(&jbuf, enable) == 0){
+ if(UML_SETJMP(&jbuf, enable) == 0){
(*op)(to, from, n);
ret = 0;
*faulted_out = 0;
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index e32065e..c47a2a7 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -104,7 +104,7 @@ void setup_hostinfo(void)
int setjmp_wrapper(void (*proc)(void *, void *), ...)
{
va_list args;
- sigjmp_buf buf;
+ jmp_buf buf;
int n;
n = sigsetjmp(buf, 1);
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