Newlib: implement locks
* Dynamically allocate arc4random data. Saves about 1k off the bss.
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Our Air Quality
parent
89c6c410ff
commit
e9d9201527
24 changed files with 3442 additions and 44 deletions
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@ -52,17 +52,29 @@ extern "C" {
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#define _FNOFOLLOW 0x100000
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#define _FDIRECTORY 0x200000
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#define _FEXECSRCH 0x400000
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#define _FTMPFILE 0x800000
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#define _FNOATIME 0x1000000
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#define O_BINARY _FBINARY
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#define O_TEXT _FTEXT
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#define O_CLOEXEC _FNOINHERIT
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#define O_DIRECT _FDIRECT
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#define O_NOFOLLOW _FNOFOLLOW
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#define O_DSYNC _FSYNC
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#define O_RSYNC _FSYNC
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#define O_DIRECTORY _FDIRECTORY
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#define O_EXEC _FEXECSRCH
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#define O_SEARCH _FEXECSRCH
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/* POSIX-1.2008 specific flags */
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#if __POSIX_VISIBLE >= 200809
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#define O_CLOEXEC _FNOINHERIT
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#define O_NOFOLLOW _FNOFOLLOW
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#define O_DIRECTORY _FDIRECTORY
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#endif
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/* Linux-specific flags */
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#if __GNU_VISIBLE
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#define O_DIRECT _FDIRECT
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#define O_TMPFILE _FTMPFILE
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#define O_NOATIME _FNOATIME
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#endif
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#endif
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#if __MISC_VISIBLE
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@ -397,7 +397,7 @@
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#endif
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#if __GNUC_PREREQ__(3, 3)
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#define __nonnull(x) __attribute__((__nonnull__(x)))
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#define __nonnull(x) __attribute__((__nonnull__ x))
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#define __nonnull_all __attribute__((__nonnull__))
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#else
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#define __nonnull(x)
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@ -100,6 +100,9 @@ extern "C" {
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* _SVID_SOURCE (deprecated by _DEFAULT_SOURCE)
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* _DEFAULT_SOURCE (or none of the above)
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* POSIX-1.2008 with BSD and SVr4 extensions
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*
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* _FORTIFY_SOURCE = 1 or 2
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* Object Size Checking function wrappers
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*/
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#ifdef _GNU_SOURCE
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@ -233,9 +236,11 @@ extern "C" {
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* __GNU_VISIBLE
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* GNU extensions; enabled with _GNU_SOURCE.
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*
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* __SSP_FORTIFY_LEVEL
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* Object Size Checking; defined to 0 (off), 1, or 2.
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*
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* In all cases above, "enabled by default" means either by defining
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* _DEFAULT_SOURCE, or by not defining any of the public feature test macros.
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* Defining _GNU_SOURCE makes all of the above avaliable.
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*/
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#ifdef _ATFILE_SOURCE
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@ -314,6 +319,17 @@ extern "C" {
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#define __XSI_VISIBLE 0
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#endif
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#if _FORTIFY_SOURCE > 0 && !defined(__cplusplus) && !defined(__lint__) && \
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(__OPTIMIZE__ > 0 || defined(__clang__)) && __GNUC_PREREQ__(4, 1)
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# if _FORTIFY_SOURCE > 1
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# define __SSP_FORTIFY_LEVEL 2
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# else
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# define __SSP_FORTIFY_LEVEL 1
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# endif
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#else
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# define __SSP_FORTIFY_LEVEL 0
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#endif
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/* RTEMS adheres to POSIX -- 1003.1b with some features from annexes. */
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#ifdef __rtems__
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@ -448,7 +464,7 @@ extern "C" {
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#define _POSIX_THREAD_SAFE_FUNCTIONS 200809L
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/* #define _POSIX_THREAD_SPORADIC_SERVER -1 */
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#define _POSIX_THREADS 200809L
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/* #define _POSIX_TIMEOUTS -1 */
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#define _POSIX_TIMEOUTS 200809L
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#define _POSIX_TIMERS 200809L
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/* #define _POSIX_TRACE -1 */
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/* #define _POSIX_TRACE_EVENT_FILTER -1 */
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@ -22,8 +22,17 @@ typedef _lock_t _LOCK_T;
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Lock functions all take a pointer to the _lock_t entry, so the
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value stored there can be manipulated.
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*/
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#if 0
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#define __LOCK_INIT(CLASS,NAME) CLASS _lock_t NAME = 0;
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#define __LOCK_INIT_RECURSIVE(CLASS,NAME) CLASS _lock_t NAME = 0;
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#else
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/*
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* Skip a 'static' class definition, so they are all visible and can
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* be initialize at startup.
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*/
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#define __LOCK_INIT(CLASS,NAME) _lock_t NAME = 0;
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#define __LOCK_INIT_RECURSIVE(CLASS,NAME) _lock_t NAME = 0;
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#endif
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void _lock_init(_lock_t *lock);
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void _lock_init_recursive(_lock_t *lock);
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@ -73,13 +73,17 @@ int _EXFUN(execvpe, (const char *__file, char * const __argv[], char * const
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#if __ATFILE_VISIBLE
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int _EXFUN(faccessat, (int __dirfd, const char *__path, int __mode, int __flags));
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#endif
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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int _EXFUN(fchdir, (int __fildes));
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#endif
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#if __POSIX_VISIBLE >= 199309
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int _EXFUN(fchmod, (int __fildes, mode_t __mode ));
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#endif
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#if !defined(__INSIDE_CYGWIN__)
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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int _EXFUN(fchown, (int __fildes, uid_t __owner, gid_t __group ));
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#endif
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#endif
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#if __ATFILE_VISIBLE
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int _EXFUN(fchownat, (int __dirfd, const char *__path, uid_t __owner, gid_t __group, int __flags));
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#endif
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@ -89,7 +93,9 @@ int _EXFUN(fexecve, (int __fd, char * const __argv[], char * const __envp[] ));
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pid_t _EXFUN(fork, (void ));
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long _EXFUN(fpathconf, (int __fd, int __name ));
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int _EXFUN(fsync, (int __fd));
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#if __POSIX_VISIBLE >= 199309
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int _EXFUN(fdatasync, (int __fd));
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#endif
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#if __GNU_VISIBLE
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char * _EXFUN(get_current_dir_name, (void));
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#endif
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@ -113,12 +119,16 @@ char * _EXFUN(getlogin, (void ));
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#if defined(_POSIX_THREAD_SAFE_FUNCTIONS)
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int _EXFUN(getlogin_r, (char *name, size_t namesize) );
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#endif
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#if __BSD_VISIBLE || (__XSI_VISIBLE && __POSIX_VISIBLE < 200112)
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char * _EXFUN(getpass, (const char *__prompt));
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int _EXFUN(getpagesize, (void));
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#endif
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#if __BSD_VISIBLE
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int _EXFUN(getpeereid, (int, uid_t *, gid_t *));
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#endif
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#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 4
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pid_t _EXFUN(getpgid, (pid_t));
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#endif
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pid_t _EXFUN(getpgrp, (void ));
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pid_t _EXFUN(getpid, (void ));
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pid_t _EXFUN(getppid, (void ));
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@ -142,13 +152,17 @@ int _EXFUN(isatty, (int __fildes ));
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int _EXFUN(issetugid, (void));
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#endif
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#if !defined(__INSIDE_CYGWIN__)
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#if __BSD_VISIBLE || __XSI_VISIBLE >= 4 || __POSIX_VISIBLE >= 200809
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int _EXFUN(lchown, (const char *__path, uid_t __owner, gid_t __group ));
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#endif
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#endif
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int _EXFUN(link, (const char *__path1, const char *__path2 ));
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#if __ATFILE_VISIBLE
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int _EXFUN(linkat, (int __dirfd1, const char *__path1, int __dirfd2, const char *__path2, int __flags ));
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#endif
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#if __MISC_VISIBLE || __XSI_VISIBLE
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int _EXFUN(nice, (int __nice_value ));
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#endif
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#if !defined(__INSIDE_CYGWIN__)
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off_t _EXFUN(lseek, (int __fildes, off_t __offset, int __whence ));
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#endif
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@ -168,8 +182,10 @@ int _EXFUN(pipe, (int __fildes[2] ));
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#if __GNU_VISIBLE
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int _EXFUN(pipe2, (int __fildes[2], int flags));
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#endif
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#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE >= 500
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ssize_t _EXFUN(pread, (int __fd, void *__buf, size_t __nbytes, off_t __offset));
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ssize_t _EXFUN(pwrite, (int __fd, const void *__buf, size_t __nbytes, off_t __offset));
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#endif
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_READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte ));
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#if __BSD_VISIBLE
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int _EXFUN(rresvport, (int *__alport));
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@ -179,7 +195,9 @@ int _EXFUN(rmdir, (const char *__path ));
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#if __BSD_VISIBLE
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int _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser));
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#endif
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#if __BSD_VISIBLE || (__XSI_VISIBLE >= 4 && __POSIX_VISIBLE < 200112)
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void * _EXFUN(sbrk, (ptrdiff_t __incr));
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#endif
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#if !defined(__INSIDE_CYGWIN__)
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#if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
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int _EXFUN(setegid, (gid_t __gid ));
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@ -194,7 +212,9 @@ int _EXFUN(setgroups, (int ngroups, const gid_t *grouplist ));
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int _EXFUN(sethostname, (const char *, size_t));
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#endif
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int _EXFUN(setpgid, (pid_t __pid, pid_t __pgid ));
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#if __SVID_VISIBLE || __XSI_VISIBLE >= 500
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int _EXFUN(setpgrp, (void ));
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#endif
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#if (__BSD_VISIBLE || __XSI_VISIBLE >= 4) && !defined(__INSIDE_CYGWIN__)
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int _EXFUN(setregid, (gid_t __rgid, gid_t __egid));
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int _EXFUN(setreuid, (uid_t __ruid, uid_t __euid));
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@ -567,4 +587,9 @@ int _EXFUN(unlinkat, (int, const char *, int));
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#ifdef __cplusplus
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}
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#endif
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#if __SSP_FORTIFY_LEVEL > 0
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#include <ssp/unistd.h>
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#endif
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#endif /* _SYS_UNISTD_H */
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