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Consolidate oom_check() functions

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This consolidates the duplicated oom_check() functions, as well as
splitting them into OS dependant versions to avoid the #ifdef
grossness that was present in the old osdep.c version.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jes Sorensen 2010-10-26 10:39:26 +02:00 committed by Blue Swirl
parent bc4a957c46
commit b152aa84d5
5 changed files with 11 additions and 20 deletions
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2
Makefile.target
View file

@ -88,7 +88,7 @@ $(call set-vpath, $(SRC_PATH)/linux-user:$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR
QEMU_CFLAGS+=-I$(SRC_PATH)/linux-user -I$(SRC_PATH)/linux-user/$(TARGET_ABI_DIR)
obj-y = main.o syscall.o strace.o mmap.o signal.o thunk.o \
elfload.o linuxload.o uaccess.o gdbstub.o cpu-uname.o \
qemu-malloc.o
qemu-malloc.o $(oslib-obj-y)
obj-$(TARGET_HAS_BFLT) += flatload.o

8
oslib-posix.c
View file

@ -31,8 +31,7 @@
#include "trace.h"
#include "qemu_socket.h"
#if !defined(_POSIX_C_SOURCE) || defined(__sun__)
static void *oom_check(void *ptr)
void *qemu_oom_check(void *ptr)
{
if (ptr == NULL) {
fprintf(stderr, "Failed to allocate memory: %s\n", strerror(errno));
@ -40,7 +39,6 @@ static void *oom_check(void *ptr)
}
return ptr;
}
#endif
void *qemu_memalign(size_t alignment, size_t size)
{
@ -54,9 +52,9 @@ void *qemu_memalign(size_t alignment, size_t size)
abort();
}
#elif defined(CONFIG_BSD)
ptr = oom_check(valloc(size));
ptr = qemu_oom_check(valloc(size));
#else
ptr = oom_check(memalign(alignment, size));
ptr = qemu_oom_check(memalign(alignment, size));
#endif
trace_qemu_memalign(alignment, size, ptr);
return ptr;

6
oslib-win32.c
View file

@ -31,7 +31,7 @@
#include "trace.h"
#include "qemu_socket.h"
static void *oom_check(void *ptr)
void *qemu_oom_check(void *ptr)
{
if (ptr == NULL) {
fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
@ -47,7 +47,7 @@ void *qemu_memalign(size_t alignment, size_t size)
if (!size) {
abort();
}
ptr = oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
trace_qemu_memalign(alignment, size, ptr);
return ptr;
}
@ -62,7 +62,7 @@ void *qemu_vmalloc(size_t size)
if (!size) {
abort();
}
ptr = oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
trace_qemu_vmalloc(size, ptr);
return ptr;
}

1
qemu-common.h
View file

@ -175,6 +175,7 @@ const char *path(const char *pathname);
int ffs(int i);
#endif
void *qemu_oom_check(void *ptr);
void *qemu_malloc(size_t size);
void *qemu_realloc(void *ptr, size_t size);
void *qemu_mallocz(size_t size);

14
qemu-malloc.c
View file

@ -25,14 +25,6 @@
#include "trace.h"
#include <stdlib.h>
static void *oom_check(void *ptr)
{
if (ptr == NULL) {
abort();
}
return ptr;
}
void qemu_free(void *ptr)
{
trace_qemu_free(ptr);
@ -54,7 +46,7 @@ void *qemu_malloc(size_t size)
if (!size && !allow_zero_malloc()) {
abort();
}
ptr = oom_check(malloc(size ? size : 1));
ptr = qemu_oom_check(malloc(size ? size : 1));
trace_qemu_malloc(size, ptr);
return ptr;
}
@ -65,7 +57,7 @@ void *qemu_realloc(void *ptr, size_t size)
if (!size && !allow_zero_malloc()) {
abort();
}
newptr = oom_check(realloc(ptr, size ? size : 1));
newptr = qemu_oom_check(realloc(ptr, size ? size : 1));
trace_qemu_realloc(ptr, size, newptr);
return newptr;
}
@ -75,7 +67,7 @@ void *qemu_mallocz(size_t size)
if (!size && !allow_zero_malloc()) {
abort();
}
return oom_check(calloc(1, size ? size : 1));
return qemu_oom_check(calloc(1, size ? size : 1));
}
char *qemu_strdup(const char *str)