2 * <fcntl.h> wrapper functions.
5 * Jonathan Pryor (jonpryor@vt.edu)
7 * Copyright (C) 2004 Jonathan Pryor
14 #include <sys/types.h>
25 struct Mono_Posix_Flock {
34 Mono_Posix_Syscall_fcntl (gint32 fd, gint32 cmd)
36 if (Mono_Posix_FromFcntlCommand (cmd, &cmd) == -1)
38 return fcntl (fd, cmd);
42 Mono_Posix_Syscall_fcntl_arg (gint32 fd, gint32 cmd, gint64 arg)
47 mph_return_if_long_overflow (arg);
50 if (cmd == F_NOTIFY) {
52 if (Mono_Posix_FromDirectoryNotifyFlags (arg, &_argi) == -1) {
61 if (Mono_Posix_FromFcntlCommand (cmd, &_cmd) == -1)
63 return fcntl (fd, cmd, _arg);
67 Mono_Posix_Syscall_fcntl_lock (gint32 fd, gint32 cmd, struct Mono_Posix_Flock *lock)
77 mph_return_if_off_t_overflow (lock->l_start);
78 mph_return_if_off_t_overflow (lock->l_len);
80 if (Mono_Posix_FromLockType (lock->l_type, &lock->l_type) == -1)
82 _lock.l_type = lock->l_type;
83 _lock.l_whence = lock->l_whence;
84 _lock.l_start = lock->l_start;
85 _lock.l_len = lock->l_len;
86 _lock.l_pid = lock->l_pid;
88 r = fcntl (fd, cmd, &_lock);
90 if (Mono_Posix_ToLockType (_lock.l_type, &_lock.l_type) == -1)
92 lock->l_type = _lock.l_type;
93 lock->l_whence = _lock.l_whence;
94 lock->l_start = _lock.l_start;
95 lock->l_len = _lock.l_len;
96 lock->l_pid = _lock.l_pid;
102 Mono_Posix_Syscall_open (const char *pathname, gint32 flags)
104 if (Mono_Posix_FromOpenFlags (flags, &flags) == -1)
107 return open (pathname, flags);
111 Mono_Posix_Syscall_open_mode (const char *pathname, gint32 flags, guint32 mode)
113 if (Mono_Posix_FromOpenFlags (flags, &flags) == -1)
115 if (Mono_Posix_FromFilePermissions (mode, &mode) == -1)
118 return open (pathname, flags, mode);
122 Mono_Posix_Syscall_creat (const char *pathname, guint32 mode)
124 if (Mono_Posix_FromFilePermissions (mode, &mode) == -1)
127 return creat (pathname, mode);
130 #ifdef HAVE_POSIX_FADVISE
132 Mono_Posix_Syscall_posix_fadvise (gint32 fd, mph_off_t offset, mph_off_t len,
135 mph_return_if_off_t_overflow (offset);
136 mph_return_if_off_t_overflow (len);
138 if (Mono_Posix_FromPosixFadviseAdvice (advice, &advice) == -1)
141 return posix_fadvise (fd, (off_t) offset, (off_t) len, advice);
143 #endif /* ndef HAVE_POSIX_FADVISE */
145 #ifdef HAVE_POSIX_FALLOCATE
147 Mono_Posix_Syscall_posix_fallocate (gint32 fd, mph_off_t offset, mph_size_t len)
149 mph_return_if_off_t_overflow (offset);
150 mph_return_if_size_t_overflow (len);
152 return posix_fallocate (fd, (off_t) offset, (size_t) len);
154 #endif /* ndef HAVE_POSIX_FALLOCATE */