termux-packages/packages/imlib2/0001-dlopen-libandroid-shme...

94 lines
2.2 KiB
Diff

diff -uNr imlib2-1.6.1/src/lib/ximage.c imlib2-1.6.1.mod/src/lib/ximage.c
--- imlib2-1.6.1/src/lib/ximage.c 2019-11-08 21:08:08.000000000 +0200
+++ imlib2-1.6.1.mod/src/lib/ximage.c 2019-12-16 14:55:16.041906425 +0200
@@ -9,7 +9,8 @@
#include <sys/mman.h>
#endif
#include <sys/ipc.h>
-#include <sys/shm.h>
+#include <linux/shm.h>
+#include <dlfcn.h>
#include "ximage.h"
@@ -36,6 +37,79 @@
/* temporary X error catcher we use later */
static char _x_err = 0;
+#ifndef shmid_ds
+# define shmid_ds shmid64_ds
+#endif
+
+static void * (*android_shmat)(int shmid, const void *shmaddr, int shmflg) = NULL;
+static int (*android_shmdt)(const void *shmaddr) = NULL;
+static int (*android_shmget)(key_t key, size_t size, int shmflg) = NULL;
+static int (*android_shmctl)(int shmid, int cmd, struct shmid_ds *buf) = NULL;
+
+static void * shmat(int shmid, const void *shmaddr, int shmflg) {
+ if (!android_shmat) {
+ void *handle = dlopen("@TERMUX_PREFIX@/lib/libandroid-shmem.so", RTLD_LOCAL | RTLD_LAZY);
+
+ if (!handle) {
+ abort();
+ }
+
+ android_shmat = dlsym(handle, "shmat");
+
+ dlclose(handle);
+ }
+
+ return android_shmat(shmid, shmaddr, shmflg);
+}
+
+static int shmdt(const void *shmaddr) {
+ if (!android_shmdt) {
+ void *handle = dlopen("@TERMUX_PREFIX@/lib/libandroid-shmem.so", RTLD_LOCAL | RTLD_LAZY);
+
+ if (!handle) {
+ abort();
+ }
+
+ android_shmdt = dlsym(handle, "shmdt");
+
+ dlclose(handle);
+ }
+
+ return android_shmdt(shmaddr);
+}
+
+static int shmget(key_t key, size_t size, int shmflg) {
+ if (!android_shmget) {
+ void *handle = dlopen("@TERMUX_PREFIX@/lib/libandroid-shmem.so", RTLD_LOCAL | RTLD_LAZY);
+
+ if (!handle) {
+ abort();
+ }
+
+ android_shmget = dlsym(handle, "shmget");
+
+ dlclose(handle);
+ }
+
+ return android_shmget(key, size, shmflg);
+}
+
+static int shmctl(int shmid, int cmd, struct shmid_ds *buf) {
+ if (!android_shmctl) {
+ void *handle = dlopen("@TERMUX_PREFIX@/lib/libandroid-shmem.so", RTLD_LOCAL | RTLD_LAZY);
+
+ if (!handle) {
+ abort();
+ }
+
+ android_shmctl = dlsym(handle, "shmctl");
+
+ dlclose(handle);
+ }
+
+ return android_shmctl(shmid, cmd, buf);
+}
+
/* the function we use for catching the error */
static int
TmpXError(Display * d, XErrorEvent * ev)