mirror of
https://github.com/termux/termux-packages.git
synced 2025-08-16 00:05:21 +00:00
83 lines
2.2 KiB
Diff
83 lines
2.2 KiB
Diff
--- a/lib_pypy/_posixshmem_build.py
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+++ b/lib_pypy/_posixshmem_build.py
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@@ -12,15 +12,75 @@
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""")
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SOURCE = """
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-#include <sys/mman.h>
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-#include <sys/stat.h> /* For mode constants */
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-#include <fcntl.h> /* For O_* constants */
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+#include <alloca.h>
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+#include <fcntl.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include <unistd.h>
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+static int shm_unlink(const char *name) {
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+ size_t namelen;
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+ char *fname;
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+
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+ /* Construct the filename. */
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+ while (name[0] == '/') ++name;
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+
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+ if (name[0] == '\0') {
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+ /* The name "/" is not supported. */
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+ errno = EINVAL;
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+ return -1;
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+ }
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+
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+ namelen = strlen(name);
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+ fname = (char *) alloca(sizeof("@TERMUX_PREFIX@/tmp/") - 1 + namelen + 1);
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+ memcpy(fname, "@TERMUX_PREFIX@/tmp/", sizeof("@TERMUX_PREFIX@/tmp/") - 1);
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+ memcpy(fname + sizeof("@TERMUX_PREFIX@/tmp/") - 1, name, namelen + 1);
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+
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+ return unlink(fname);
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+}
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+
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+static int shm_open(const char *name, int oflag, mode_t mode) {
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+ size_t namelen;
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+ char *fname;
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+ int fd;
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+
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+ /* Construct the filename. */
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+ while (name[0] == '/') ++name;
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+
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+ if (name[0] == '\0') {
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+ /* The name "/" is not supported. */
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+ errno = EINVAL;
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+ return -1;
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+ }
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+
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+ namelen = strlen(name);
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+ fname = (char *) alloca(sizeof("@TERMUX_PREFIX@/tmp/") - 1 + namelen + 1);
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+ memcpy(fname, "@TERMUX_PREFIX@/tmp/", sizeof("@TERMUX_PREFIX@/tmp/") - 1);
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+ memcpy(fname + sizeof("@TERMUX_PREFIX@/tmp/") - 1, name, namelen + 1);
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+
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+ fd = open(fname, oflag, mode);
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+ if (fd != -1) {
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+ /* We got a descriptor. Now set the FD_CLOEXEC bit. */
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+ int flags = fcntl(fd, F_GETFD, 0);
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+ flags |= FD_CLOEXEC;
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+ flags = fcntl(fd, F_SETFD, flags);
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+
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+ if (flags == -1) {
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+ /* Something went wrong. We cannot return the descriptor. */
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+ int save_errno = errno;
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+ close(fd);
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+ fd = -1;
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+ errno = save_errno;
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+ }
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+ }
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+
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+ return fd;
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+}
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"""
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if sys.platform == 'darwin':
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libraries = []
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else:
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- libraries=['rt']
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+ libraries=['c']
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_ffi.set_source("_posixshmem_cffi", SOURCE, libraries=libraries)
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