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Clean up memory pool files better

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This commit is contained in:
Drew DeVault 2015-11-18 08:36:08 -05:00
parent 49388eb88b
commit 9a1e95b7da
3 changed files with 27 additions and 21 deletions
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42
wayland/buffers.c
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@ -11,34 +11,33 @@
#include "list.h"
#include "log.h"
static int create_pool_file(size_t size) {
static const char template[] = "/sway-client-XXXXXX";
const char *path = getenv("XDG_RUNTIME_DIR");
if (!path) {
return -1;
}
static int create_pool_file(size_t size, char **name) {
static const char template[] = "/sway-client-XXXXXX";
const char *path = getenv("XDG_RUNTIME_DIR");
if (!path) {
return -1;
}
int ts = (path[strlen(path) - 1] == '/');
int ts = (path[strlen(path) - 1] == '/');
char *name = malloc(
*name = malloc(
strlen(template) +
strlen(path) +
(ts ? 1 : 0) + 1);
sprintf(name, "%s%s%s", path, ts ? "" : "/", template);
sprintf(*name, "%s%s%s", path, ts ? "" : "/", template);
int fd = mkstemp(name);
free(name);
int fd = mkstemp(*name);
if (fd < 0) {
return -1;
}
if (fd < 0) {
return -1;
}
if (ftruncate(fd, size) < 0) {
close(fd);
return -1;
}
if (ftruncate(fd, size) < 0) {
close(fd);
return -1;
}
return fd;
return fd;
}
static void buffer_release(void *data, struct wl_buffer *wl_buffer) {
@ -56,12 +55,15 @@ static struct buffer *create_buffer(struct client_state *state, struct buffer *b
uint32_t stride = width * 4;
uint32_t size = stride * height;
int fd = create_pool_file(size);
char *name;
int fd = create_pool_file(size, &name);
void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
struct wl_shm_pool *pool = wl_shm_create_pool(state->shm, fd, size);
buf->buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride, format);
wl_shm_pool_destroy(pool);
close(fd);
unlink(name);
free(name);
fd = -1;
buf->surface = cairo_image_surface_create_for_data(data, CAIRO_FORMAT_ARGB32, width, height, stride);