X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev_libc_wrapper.h;h=ed8070947fbe4a77cec2f10105b45b3fd28cc8c0;hp=4bb68913a901588fbc2397fbd7b86e14c0a3b43e;hb=acc8322f1f8c081d36b3b1fd85903fb9ac68f0bb;hpb=b8476286d62c82a1a0bd8de318aa3f7d835222a0

diff --git a/udev_libc_wrapper.h b/udev_libc_wrapper.h
index 4bb68913a..ed8070947 100644
--- a/udev_libc_wrapper.h
+++ b/udev_libc_wrapper.h
@@ -22,13 +22,122 @@
 #ifndef _UDEV_LIBC_WRAPPER_H_
 #define _UDEV_LIBC_WRAPPER_H_
 
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+
+/* needed until Inotify! syscalls reach glibc */
+#include <sys/syscall.h>
+#ifndef __NR_inotify_init
+#if defined(__i386__)
+# define __NR_inotify_init	291
+# define __NR_inotify_add_watch	292
+# define __NR_inotify_rm_watch	293
+#elif defined(__x86_64__)
+# define __NR_inotify_init	253
+# define __NR_inotify_add_watch	254
+# define __NR_inotify_rm_watch	255
+#elif defined(__powerpc__) || defined(__powerpc64__)
+# define __NR_inotify_init	275
+# define __NR_inotify_add_watch	276
+# define __NR_inotify_rm_watch	277
+#elif defined (__ia64__)
+# define __NR_inotify_init	1277
+# define __NR_inotify_add_watch	1278
+# define __NR_inotify_rm_watch	1279
+#elif defined (__s390__)
+# define __NR_inotify_init	284
+# define __NR_inotify_add_watch	285
+# define __NR_inotify_rm_watch	286
+#elif defined (__alpha__)
+# define __NR_inotify_init	444
+# define __NR_inotify_add_watch	445
+# define __NR_inotify_rm_watch	446
+#elif defined (__sparc__) || defined (__sparc64__)
+# define __NR_inotify_init	151
+# define __NR_inotify_add_watch	152
+# define __NR_inotify_rm_watch	156
+#elif defined (__arm__)
+# define __NR_inotify_init	316
+# define __NR_inotify_add_watch	317
+# define __NR_inotify_rm_watch	318
+#elif defined (__sh__)
+# define __NR_inotify_init	290
+# define __NR_inotify_add_watch	291
+# define __NR_inotify_rm_watch	292
+#elif defined (__hppa__)
+# define __NR_inotify_init      269
+# define __NR_inotify_add_watch 270
+# define __NR_inotify_rm_watch  271
+#elif defined (__mips__)
+# include <sgidefs.h>
+# if _MIPS_SIM == _MIPS_SIM_ABI32
+#  define __NR_Linux             4000
+#  define __NR_inotify_init      (__NR_Linux + 284)
+#  define __NR_inotify_add_watch (__NR_Linux + 285)
+#  define __NR_inotify_rm_watch  (__NR_Linux + 286)
+# elif _MIPS_SIM == _MIPS_SIM_ABI64
+#  define __NR_Linux             5000
+#  define __NR_inotify_init      (__NR_Linux + 243)
+#  define __NR_inotify_add_watch (__NR_Linux + 244)
+#  define __NR_inotify_rm_watch  (__NR_Linux + 245)
+# elif _MIPS_SIM == _MIPS_SIM_NABI32
+#  define __NR_Linux             6000
+#  define __NR_inotify_init      (__NR_Linux + 247)
+#  define __NR_inotify_add_watch (__NR_Linux + 248)
+#  define __NR_inotify_rm_watch  (__NR_Linux + 249)
+# endif
+#else
+#warning "inotify unsupported on this architecture!"
+#endif
+#endif /* __NR_inotify_init */
+
+/* dummy if we don't have the syscalls defined */
+#ifndef __NR_inotify_init
+static inline int inotify_init(void)
+{
+	return -1;
+}
+
+static inline int inotify_add_watch(int fd, const char *name, uint32_t mask)
+{
+	return -1;
+}
+#else
+/* needed until /usr/include/sys/inotify.h is working */
+#ifdef __KLIBC__
+#include <sys/inotify.h>
+#else
+static inline int inotify_init(void)
+{
+	return syscall(__NR_inotify_init);
+}
+
+static inline int inotify_add_watch(int fd, const char *name, uint32_t mask)
+{
+	return syscall(__NR_inotify_add_watch, fd, name, mask);
+}
+#endif /* __KLIBC__ */
+#endif /* __NR_inotify_init */
+
+#ifndef IN_CREATE
+#define IN_CREATE		0x00000100	/* Subfile was created */
+#define IN_MOVED_FROM		0x00000040	/* File was moved from X */
+#define IN_MOVED_TO		0x00000080	/* File was moved to Y */
+#define IN_DELETE		0x00000200	/* Subfile was deleted */
+#define IN_CLOSE_WRITE		0x00000008	/* Writtable file was closed */
+#define IN_MOVE			(IN_MOVED_FROM | IN_MOVED_TO) /* moves */
+#endif /* IN_CREATE */
+
+/* needed for our signal handlers to work */
 #undef asmlinkage
 #ifdef __i386__
 #define asmlinkage	__attribute__((regparm(0)))
 #else
 #define asmlinkage
-#endif
+#endif /* __i386__ */
 
+/* headers are broken on some lazy platforms */
 #ifndef __FD_SET
 #define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
 #endif
@@ -42,14 +151,17 @@
 #define __FD_ZERO(set) ((void) memset ((void*) (set), 0, sizeof (fd_set)))
 #endif
 
-#include <string.h>
+/* missing in some lazy distros */
+#ifndef NETLINK_KOBJECT_UEVENT
+#define NETLINK_KOBJECT_UEVENT 15
+#endif
 
-#ifdef __KLIBC__
-static inline int clearenv(void)
-{
-	environ[0] = NULL;
-	return 0;
-}
+#ifndef SO_RCVBUFFORCE
+#if defined(__alpha__) || defined(__hppa__) || defined(__sparc__) || defined(__sparc_v9__)
+#define SO_RCVBUFFORCE 0x100b
+#else
+#define SO_RCVBUFFORCE 33
+#endif
 #endif
 
 extern uid_t lookup_user(const char *user);