X-Git-Url: http://git.hcoop.net/bpt/guile.git/blobdiff_plain/8912421cf3829a4fd65877fd1255125c191f6f89..1cd4fffcde4edd4853e039da9a42e0972d851a51:/lib/unistd.in.h diff --git a/lib/unistd.in.h b/lib/unistd.in.h index dc6bb7a7c..c6d1d13d1 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -59,43 +59,45 @@ # include # if !defined _GL_SYS_SOCKET_H # undef socket -# define socket socket_used_without_including_sys_socket_h +# define socket socket_used_without_including_sys_socket_h # undef connect -# define connect connect_used_without_including_sys_socket_h +# define connect connect_used_without_including_sys_socket_h # undef accept -# define accept accept_used_without_including_sys_socket_h +# define accept accept_used_without_including_sys_socket_h # undef bind -# define bind bind_used_without_including_sys_socket_h +# define bind bind_used_without_including_sys_socket_h # undef getpeername -# define getpeername getpeername_used_without_including_sys_socket_h +# define getpeername getpeername_used_without_including_sys_socket_h # undef getsockname -# define getsockname getsockname_used_without_including_sys_socket_h +# define getsockname getsockname_used_without_including_sys_socket_h # undef getsockopt -# define getsockopt getsockopt_used_without_including_sys_socket_h +# define getsockopt getsockopt_used_without_including_sys_socket_h # undef listen -# define listen listen_used_without_including_sys_socket_h +# define listen listen_used_without_including_sys_socket_h # undef recv -# define recv recv_used_without_including_sys_socket_h +# define recv recv_used_without_including_sys_socket_h # undef send -# define send send_used_without_including_sys_socket_h +# define send send_used_without_including_sys_socket_h # undef recvfrom -# define recvfrom recvfrom_used_without_including_sys_socket_h +# define recvfrom recvfrom_used_without_including_sys_socket_h # undef sendto -# define sendto sendto_used_without_including_sys_socket_h +# define sendto sendto_used_without_including_sys_socket_h # undef setsockopt -# define setsockopt setsockopt_used_without_including_sys_socket_h +# define setsockopt setsockopt_used_without_including_sys_socket_h # undef shutdown -# define shutdown shutdown_used_without_including_sys_socket_h +# define shutdown shutdown_used_without_including_sys_socket_h # endif # if !defined _GL_SYS_SELECT_H # undef select -# define select select_used_without_including_sys_select_h +# define select select_used_without_including_sys_select_h # endif # endif #endif /* The definition of GL_LINK_WARNING is copied here. */ +/* The definition of _GL_ARG_NONNULL is copied here. */ + /* OS/2 EMX lacks these macros. */ #ifndef STDIN_FILENO @@ -126,18 +128,17 @@ extern "C" { #if @GNULIB_CHOWN@ # if @REPLACE_CHOWN@ -# ifndef REPLACE_CHOWN -# define REPLACE_CHOWN 1 -# endif -# if REPLACE_CHOWN +# undef chown +# define chown rpl_chown +# endif +# if !@HAVE_CHOWN@ || @REPLACE_CHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE to GID (if GID is not -1). Follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification . */ -# define chown rpl_chown -extern int chown (const char *file, uid_t uid, gid_t gid); -# endif +extern int chown (const char *file, uid_t uid, gid_t gid) + _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef chown @@ -241,7 +242,7 @@ extern char **environ; # if !@HAVE_EUIDACCESS@ /* Like access(), except that it uses the effective user id and group id of the current process. */ -extern int euidaccess (const char *filename, int mode); +extern int euidaccess (const char *filename, int mode) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef euidaccess @@ -254,11 +255,12 @@ extern int euidaccess (const char *filename, int mode); #if @GNULIB_FACCESSAT@ # if !@HAVE_FACCESSAT@ -int faccessat (int fd, char const *file, int mode, int flag); +extern int faccessat (int fd, char const *file, int mode, int flag) + _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef faccessat -# define faccessat(d,n,m,f) \ +# define faccessat(d,n,m,f) \ (GL_LINK_WARNING ("faccessat is not portable - " \ "use gnulib module faccessat for portability"), \ faccessat (d, n, m, f)) @@ -275,7 +277,8 @@ int faccessat (int fd, char const *file, int mode, int flag); extern int fchdir (int /*fd*/); /* Gnulib internal hooks needed to maintain the fchdir metadata. */ -extern int _gl_register_fd (int fd, const char *filename); +extern int _gl_register_fd (int fd, const char *filename) + _GL_ARG_NONNULL ((2)); extern void _gl_unregister_fd (int fd); extern int _gl_register_dup (int oldfd, int newfd); extern const char *_gl_directory_name (int fd); @@ -296,11 +299,12 @@ extern const char *_gl_directory_name (int fd); # define fchownat rpl_fchownat # endif # if !@HAVE_FCHOWNAT@ || @REPLACE_FCHOWNAT@ -extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag); +extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag) + _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef fchownat -# define fchownat(d,n,o,g,f) \ +# define fchownat(d,n,o,g,f) \ (GL_LINK_WARNING ("fchownat is not portable - " \ "use gnulib module openat for portability"), \ fchownat (d, n, o, g, f)) @@ -380,7 +384,7 @@ extern char * getcwd (char *buf, size_t size); If the NIS domain name is longer than LEN, set errno = EINVAL and return -1. Return 0 if successful, otherwise set errno and return -1. */ # if !@HAVE_GETDOMAINNAME@ -extern int getdomainname(char *name, size_t len); +extern int getdomainname(char *name, size_t len) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef getdomainname @@ -406,6 +410,28 @@ extern int getdtablesize (void); #endif +#if @GNULIB_GETGROUPS@ +# if @REPLACE_GETGROUPS@ +# undef getgroups +# define getgroups rpl_getgroups +# endif +# if !@HAVE_GETGROUPS@ || @REPLACE_GETGROUPS@ +/* Return the supplemental groups that the current process belongs to. + It is unspecified whether the effective group id is in the list. + If N is 0, return the group count; otherwise, N describes how many + entries are available in GROUPS. Return -1 and set errno if N is + not 0 and not large enough. Fails with ENOSYS on some systems. */ +int getgroups (int n, gid_t *groups); +# endif +#elif defined GNULIB_POSIXCHECK +# undef getgroups +# define getgroups(n,g) \ + (GL_LINK_WARNING ("getgroups is unportable - " \ + "use gnulib module getgroups for portability"), \ + getgroups (n, g)) +#endif + + #if @GNULIB_GETHOSTNAME@ /* Return the standard host name of the machine. WARNING! The host name may or may not be fully qualified. @@ -419,7 +445,7 @@ extern int getdtablesize (void); # define gethostname rpl_gethostname # endif # if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@ -extern int gethostname(char *name, size_t len); +extern int gethostname(char *name, size_t len) _GL_ARG_NONNULL ((1)); # endif #elif @UNISTD_H_HAVE_WINSOCK2_H@ # undef gethostname @@ -444,7 +470,7 @@ extern int gethostname(char *name, size_t len); See . */ # if !@HAVE_DECL_GETLOGIN_R@ -extern int getlogin_r (char *name, size_t size); +extern int getlogin_r (char *name, size_t size) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef getlogin_r @@ -545,13 +571,17 @@ extern void endusershell (void); #if @GNULIB_LCHOWN@ # if @REPLACE_LCHOWN@ +# undef lchown +# define lchown rpl_lchown +# endif +# if !@HAVE_LCHOWN@ || @REPLACE_LCHOWN@ /* Change the owner of FILE to UID (if UID is not -1) and the group of FILE to GID (if GID is not -1). Do not follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification . */ -# define lchown rpl_lchown -extern int lchown (char const *file, uid_t owner, gid_t group); +extern int lchown (char const *file, uid_t owner, gid_t group) + _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef lchown @@ -571,7 +601,8 @@ extern int lchown (char const *file, uid_t owner, gid_t group); See POSIX:2001 specification . */ # if !@HAVE_LINK@ || @REPLACE_LINK@ -extern int link (const char *path1, const char *path2); +extern int link (const char *path1, const char *path2) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef link @@ -591,11 +622,12 @@ extern int link (const char *path1, const char *path2); Return 0 if successful, otherwise -1 and errno set. */ # if !@HAVE_LINKAT@ || @REPLACE_LINKAT@ extern int linkat (int fd1, const char *path1, int fd2, const char *path2, - int flag); + int flag) + _GL_ARG_NONNULL ((2, 4)); # endif #elif defined GNULIB_POSIXCHECK # undef linkat -# define link(f1,path1,f2,path2,f) \ +# define link(f1,path1,f2,path2,f) \ (GL_LINK_WARNING ("linkat is unportable - " \ "use gnulib module linkat for portability"), \ linkat (f1, path1, f2, path2,f)) @@ -631,7 +663,7 @@ extern int linkat (int fd1, const char *path1, int fd2, const char *path2, # if @HAVE_PIPE2@ # define pipe2 rpl_pipe2 # endif -extern int pipe2 (int fd[2], int flags); +extern int pipe2 (int fd[2], int flags) _GL_ARG_NONNULL ((1)); #elif defined GNULIB_POSIXCHECK # undef pipe2 # define pipe2(f,o) \ @@ -641,6 +673,27 @@ extern int pipe2 (int fd[2], int flags); #endif +#if @GNULIB_PREAD@ +# if @REPLACE_PREAD@ +# define pread rpl_pread +# endif +/* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET. + Return the number of bytes placed into BUF if successful, otherwise + set errno and return -1. 0 indicates EOF. See the POSIX:2001 + specification . */ +# if !@HAVE_PREAD@ || @REPLACE_PREAD@ + extern ssize_t pread (int fd, void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2)); +# endif +#elif defined GNULIB_POSIXCHECK +# undef pread +# define pread(f,b,s,o) \ + (GL_LINK_WARNING ("pread is unportable - " \ + "use gnulib module pread for portability"), \ + pread (f, b, s, o)) +#endif + + #if @GNULIB_READLINK@ # if @REPLACE_READLINK@ # define readlink rpl_readlink @@ -651,7 +704,8 @@ extern int pipe2 (int fd[2], int flags); See the POSIX:2001 specification . */ # if !@HAVE_READLINK@ || @REPLACE_READLINK@ -extern ssize_t readlink (const char *file, char *buf, size_t bufsize); +extern ssize_t readlink (const char *file, char *buf, size_t bufsize) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef readlink @@ -664,11 +718,12 @@ extern ssize_t readlink (const char *file, char *buf, size_t bufsize); #if @GNULIB_READLINKAT@ # if !@HAVE_READLINKAT@ -ssize_t readlinkat (int fd, char const *file, char *buf, size_t len); +extern ssize_t readlinkat (int fd, char const *file, char *buf, size_t len) + _GL_ARG_NONNULL ((2, 3)); # endif #elif defined GNULIB_POSIXCHECK # undef readlinkat -# define readlinkat(d,n,b,l) \ +# define readlinkat(d,n,b,l) \ (GL_LINK_WARNING ("readlinkat is not portable - " \ "use gnulib module symlinkat for portability"), \ readlinkat (d, n, b, l)) @@ -679,7 +734,7 @@ ssize_t readlinkat (int fd, char const *file, char *buf, size_t len); # if @REPLACE_RMDIR@ # define rmdir rpl_rmdir /* Remove the directory DIR. */ -extern int rmdir (char const *name); +extern int rmdir (char const *name) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef rmdir @@ -691,11 +746,15 @@ extern int rmdir (char const *name); #if @GNULIB_SLEEP@ +# if @REPLACE_SLEEP@ +# undef sleep +# define sleep rpl_sleep +# endif /* Pause the execution of the current thread for N seconds. Returns the number of seconds left to sleep. See the POSIX:2001 specification . */ -# if !@HAVE_SLEEP@ +# if !@HAVE_SLEEP@ || @REPLACE_SLEEP@ extern unsigned int sleep (unsigned int n); # endif #elif defined GNULIB_POSIXCHECK @@ -713,11 +772,12 @@ extern unsigned int sleep (unsigned int n); # define symlink rpl_symlink # endif # if !@HAVE_SYMLINK@ || @REPLACE_SYMLINK@ -int symlink (char const *contents, char const *file); +extern int symlink (char const *contents, char const *file) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef symlink -# define symlink(c,n) \ +# define symlink(c,n) \ (GL_LINK_WARNING ("symlink is not portable - " \ "use gnulib module symlink for portability"), \ symlink (c, n)) @@ -726,11 +786,12 @@ int symlink (char const *contents, char const *file); #if @GNULIB_SYMLINKAT@ # if !@HAVE_SYMLINKAT@ -int symlinkat (char const *contents, int fd, char const *file); +extern int symlinkat (char const *contents, int fd, char const *file) + _GL_ARG_NONNULL ((1, 3)); # endif #elif defined GNULIB_POSIXCHECK # undef symlinkat -# define symlinkat(c,d,n) \ +# define symlinkat(c,d,n) \ (GL_LINK_WARNING ("symlinkat is not portable - " \ "use gnulib module symlinkat for portability"), \ symlinkat (c, d, n)) @@ -741,7 +802,7 @@ int symlinkat (char const *contents, int fd, char const *file); # if @REPLACE_UNLINK@ # undef unlink # define unlink rpl_unlink -extern int unlink (char const *file); +extern int unlink (char const *file) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef unlink @@ -758,7 +819,7 @@ extern int unlink (char const *file); # define unlinkat rpl_unlinkat # endif # if !@HAVE_UNLINKAT@ || @REPLACE_UNLINKAT@ -extern int unlinkat (int fd, char const *file, int flag); +extern int unlinkat (int fd, char const *file, int flag) _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef unlinkat @@ -769,13 +830,35 @@ extern int unlinkat (int fd, char const *file, int flag); #endif +#if @GNULIB_USLEEP@ +# if @REPLACE_USLEEP@ +# undef usleep +# define usleep rpl_usleep +# endif +# if !@HAVE_USLEEP@ || @REPLACE_USLEEP@ +/* Pause the execution of the current thread for N microseconds. + Returns 0 on completion, or -1 on range error. + See the POSIX:2001 specification + . */ +extern int usleep (useconds_t n); +# endif +#elif defined GNULIB_POSIXCHECK +# undef usleep +# define usleep(n) \ + (GL_LINK_WARNING ("usleep is unportable - " \ + "use gnulib module usleep for portability"), \ + usleep (n)) +#endif + + #if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ /* Write up to COUNT bytes starting at BUF to file descriptor FD. See the POSIX:2001 specification . */ # undef write # define write rpl_write -extern ssize_t write (int fd, const void *buf, size_t count); +extern ssize_t write (int fd, const void *buf, size_t count) + _GL_ARG_NONNULL ((2)); #endif