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boinc
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Implement 

svn path=/trunk/boinc/; revision=13469
This commit is contained in:
Charlie Fenton 2007-08-27 12:27:48 +00:00
parent c700873296
commit e1681640ea
1 changed files with 14 additions and 5 deletions
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19
api/graphics2_util.C
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@ -8,6 +8,11 @@
#include "boinc_api.h"
#include "graphics2.h"
#ifdef USE_FILE_MAPPED_SHMEM
#include <sys/stat.h>
#define GFX_MMAPPED_FILE_NAME "gfx_mmap_file"
#endif
#ifdef _WIN32
static void get_shmem_name(char* prog_name, char* shmem_name) {
@ -36,7 +41,7 @@ void* boinc_graphics_make_shmem(char* prog_name, int size) {
#else
void* p;
#ifdef USE_FILE_MAPPED_SHMEM
int retval = create_shmem("gfx_mmap_file", size, &p);
int retval = create_shmem(GFX_MMAPPED_FILE_NAME, size, &p);
#else
key_t key = get_shmem_name(prog_name);
int retval = create_shmem(key, size, 0, &p);
@ -57,15 +62,19 @@ void* boinc_graphics_get_shmem(char* prog_name) {
return p;
}
#else
#ifdef USE_FILE_MAPPED_SHMEM
// Use boinc_graphics_make_shmem() instead of boinc_graphics_get_shmem()
#else
void* boinc_graphics_get_shmem(char* prog_name) {
void* p;
#ifdef USE_FILE_MAPPED_SHMEM
struct stat sbuf;
retval = stat(GFX_MMAPPED_FILE_NAME, &sbuf);
if (retval == 0) {
retval = create_shmem(GFX_MMAPPED_FILE_NAME, sbuf.st_size, &p);
}
#else
key_t key = get_shmem_name(prog_name);
int retval = attach_shmem(key, &p);
#endif
if (retval) return 0;
return p;
}
#endif
#endif