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Use _POSIX_C_SOURCE, use shm_open

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emersion 2018-11-05 22:51:23 +01:00
parent d7b010024a
commit 2d0c5ec78e
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GPG key ID: 0FDE7BE0E88F5E48
18 changed files with 32 additions and 61 deletions
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1
examples/dmabuf-capture.c
View file

@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#define _POSIX_C_SOURCE 199309L #define _POSIX_C_SOURCE 199309L
#include <libavformat/avformat.h> #include <libavformat/avformat.h>
#include <libavutil/display.h> #include <libavutil/display.h>

4
examples/meson.build
View file

@ -55,7 +55,7 @@ examples = {
}, },
'screenshot': { 'screenshot': {
'src': 'screenshot.c', 'src': 'screenshot.c',
'dep': [wayland_client, wlr_protos, wlroots], 'dep': [wayland_client, wlr_protos, rt],
}, },
'idle': { 'idle': {
'src': 'idle.c', 'src': 'idle.c',
@ -96,7 +96,7 @@ examples = {
}, },
'screencopy': { 'screencopy': {
'src': 'screencopy.c', 'src': 'screencopy.c',
'dep': [libpng, wayland_client, wlr_protos, wlroots], 'dep': [libpng, wayland_client, wlr_protos, rt],
}, },
'toplevel-decoration': { 'toplevel-decoration': {
'src': 'toplevel-decoration.c', 'src': 'toplevel-decoration.c',

1
examples/output-layout.c
View file

@ -1,5 +1,4 @@
#define _POSIX_C_SOURCE 200112L #define _POSIX_C_SOURCE 200112L
#define _XOPEN_SOURCE 700
#include <GLES2/gl2.h> #include <GLES2/gl2.h>
#include <limits.h> #include <limits.h>
#include <math.h> #include <math.h>

31
examples/screencopy.c
View file

@ -21,8 +21,7 @@
* DEALINGS IN THE SOFTWARE. * DEALINGS IN THE SOFTWARE.
*/ */
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200112L
#define _POSIX_C_SOURCE 199309L
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <limits.h> #include <limits.h>
@ -65,12 +64,17 @@ static const struct format formats[] = {
{WL_SHM_FORMAT_ABGR8888, false}, {WL_SHM_FORMAT_ABGR8888, false},
}; };
static int backingfile(off_t size) { static struct wl_buffer *create_shm_buffer(enum wl_shm_format fmt,
char template[] = "/tmp/wlroots-shared-XXXXXX"; int width, int height, int stride, void **data_out) {
int fd = mkstemp(template); int size = stride * height;
const char shm_name[] = "/wlroots-screencopy";
int fd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, 0);
if (fd < 0) { if (fd < 0) {
return -1; fprintf(stderr, "shm_open failed\n");
return NULL;
} }
shm_unlink(shm_name);
int ret; int ret;
while ((ret = ftruncate(fd, size)) == EINTR) { while ((ret = ftruncate(fd, size)) == EINTR) {
@ -78,20 +82,7 @@ static int backingfile(off_t size) {
} }
if (ret < 0) { if (ret < 0) {
close(fd); close(fd);
return -1; fprintf(stderr, "ftruncate failed\n");
}
unlink(template);
return fd;
}
static struct wl_buffer *create_shm_buffer(enum wl_shm_format fmt,
int width, int height, int stride, void **data_out) {
int size = stride * height;
int fd = backingfile(size);
if (fd < 0) {
fprintf(stderr, "creating a buffer file for %d B failed: %m\n", size);
return NULL; return NULL;
} }

36
examples/screenshot.c
View file

@ -21,8 +21,7 @@
* DEALINGS IN THE SOFTWARE. * DEALINGS IN THE SOFTWARE.
*/ */
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200112L
#define _POSIX_C_SOURCE 199309L
#include <errno.h> #include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <limits.h> #include <limits.h>
@ -35,7 +34,6 @@
#include <sys/wait.h> #include <sys/wait.h>
#include <unistd.h> #include <unistd.h>
#include <wayland-client.h> #include <wayland-client.h>
#include <wlr/util/log.h>
#include "screenshooter-client-protocol.h" #include "screenshooter-client-protocol.h"
static struct wl_shm *shm = NULL; static struct wl_shm *shm = NULL;
@ -111,12 +109,18 @@ static const struct wl_registry_listener registry_listener = {
.global_remove = handle_global_remove, .global_remove = handle_global_remove,
}; };
static int backingfile(off_t size) { static struct wl_buffer *create_shm_buffer(int width, int height,
char template[] = "/tmp/wlroots-shared-XXXXXX"; void **data_out) {
int fd = mkstemp(template); int stride = width * 4;
int size = stride * height;
const char shm_name[] = "/wlroots-screenshot";
int fd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, 0);
if (fd < 0) { if (fd < 0) {
return -1; fprintf(stderr, "shm_open failed\n");
return NULL;
} }
shm_unlink(shm_name);
int ret; int ret;
while ((ret = ftruncate(fd, size)) == EINTR) { while ((ret = ftruncate(fd, size)) == EINTR) {
@ -124,21 +128,7 @@ static int backingfile(off_t size) {
} }
if (ret < 0) { if (ret < 0) {
close(fd); close(fd);
return -1; fprintf(stderr, "ftruncate failed\n");
}
unlink(template);
return fd;
}
static struct wl_buffer *create_shm_buffer(int width, int height,
void **data_out) {
int stride = width * 4;
int size = stride * height;
int fd = backingfile(size);
if (fd < 0) {
fprintf(stderr, "creating a buffer file for %d B failed: %m\n", size);
return NULL; return NULL;
} }
@ -200,8 +190,6 @@ static void write_image(const char *filename, int width, int height,
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
wlr_log_init(WLR_DEBUG, NULL);
struct wl_display * display = wl_display_connect(NULL); struct wl_display * display = wl_display_connect(NULL);
if (display == NULL) { if (display == NULL) {
fprintf(stderr, "failed to create display: %m\n"); fprintf(stderr, "failed to create display: %m\n");

1
types/data_device/wlr_data_device.c
View file

@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#include <assert.h> #include <assert.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

1
types/data_device/wlr_data_offer.c
View file

@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#include <assert.h> #include <assert.h>
#include <stdlib.h> #include <stdlib.h>
#include <strings.h> #include <strings.h>

2
types/data_device/wlr_data_source.c
View file

@ -1,4 +1,4 @@
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200809L
#include <assert.h> #include <assert.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

1
types/data_device/wlr_drag.c
View file

@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#include <assert.h> #include <assert.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

2
types/wlr_input_device.c
View file

@ -1,4 +1,4 @@
#define _XOPEN_SOURCE 500 #define _POSIX_C_SOURCE 200809L
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <wayland-server.h> #include <wayland-server.h>

2
types/wlr_primary_selection.c
View file

@ -1,4 +1,4 @@
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200809L
#include <assert.h> #include <assert.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

2
xcursor/wlr_xcursor.c
View file

@ -23,7 +23,7 @@
* SOFTWARE. * SOFTWARE.
*/ */
#define _XOPEN_SOURCE 500 #define _POSIX_C_SOURCE 200809L
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>

1
xwayland/selection/dnd.c
View file

@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#include <assert.h> #include <assert.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>

2
xwayland/selection/incoming.c
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@ -1,4 +1,4 @@
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200809L
#include <assert.h> #include <assert.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>

1
xwayland/selection/outgoing.c
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@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#include <assert.h> #include <assert.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>

2
xwayland/selection/selection.c
View file

@ -1,4 +1,4 @@
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200809L
#include <assert.h> #include <assert.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>

2
xwayland/sockets.c
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@ -1,4 +1,4 @@
#define _XOPEN_SOURCE 700 #define _POSIX_C_SOURCE 200809L
#ifdef __FreeBSD__ #ifdef __FreeBSD__
// for SOCK_CLOEXEC // for SOCK_CLOEXEC
#define __BSD_VISIBLE 1 #define __BSD_VISIBLE 1

1
xwayland/xwayland.c
View file

@ -1,4 +1,3 @@
#define _XOPEN_SOURCE 700
#define _DEFAULT_SOURCE #define _DEFAULT_SOURCE
#ifdef __FreeBSD__ #ifdef __FreeBSD__
// for SOCK_CLOEXEC // for SOCK_CLOEXEC