/usr/include/st.h is in libst-dev 1.9-3.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Portable Runtime library.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s): Silicon Graphics, Inc.
*
* Portions created by SGI are Copyright (C) 2000-2001 Silicon
* Graphics, Inc. All Rights Reserved.
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#ifndef __ST_THREAD_H__
#define __ST_THREAD_H__
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <time.h>
#include <errno.h>
#include <poll.h>
#define ST_VERSION "1.9"
#define ST_VERSION_MAJOR 1
#define ST_VERSION_MINOR 9
/* Undefine this to remove the context switch callback feature. */
#define ST_SWITCH_CB
#ifndef ETIME
#define ETIME ETIMEDOUT
#endif
#ifndef ST_UTIME_NO_TIMEOUT
#define ST_UTIME_NO_TIMEOUT ((st_utime_t) -1LL)
#endif
#ifndef ST_UTIME_NO_WAIT
#define ST_UTIME_NO_WAIT 0
#endif
#define ST_EVENTSYS_DEFAULT 0
#define ST_EVENTSYS_SELECT 1
#define ST_EVENTSYS_POLL 2
#define ST_EVENTSYS_ALT 3
#ifdef __cplusplus
extern "C" {
#endif
typedef unsigned long long st_utime_t;
typedef struct _st_thread * st_thread_t;
typedef struct _st_cond * st_cond_t;
typedef struct _st_mutex * st_mutex_t;
typedef struct _st_netfd * st_netfd_t;
#ifdef ST_SWITCH_CB
typedef void (*st_switch_cb_t)(void);
#endif
extern int st_init(void);
extern int st_getfdlimit(void);
extern int st_set_eventsys(int eventsys);
extern int st_get_eventsys(void);
extern const char *st_get_eventsys_name(void);
#ifdef ST_SWITCH_CB
extern st_switch_cb_t st_set_switch_in_cb(st_switch_cb_t cb);
extern st_switch_cb_t st_set_switch_out_cb(st_switch_cb_t cb);
#endif
extern st_thread_t st_thread_self(void);
extern void st_thread_exit(void *retval);
extern int st_thread_join(st_thread_t thread, void **retvalp);
extern void st_thread_interrupt(st_thread_t thread);
extern st_thread_t st_thread_create(void *(*start)(void *arg), void *arg,
int joinable, int stack_size);
extern int st_randomize_stacks(int on);
extern int st_set_utime_function(st_utime_t (*func)(void));
extern st_utime_t st_utime(void);
extern st_utime_t st_utime_last_clock(void);
extern int st_timecache_set(int on);
extern time_t st_time(void);
extern int st_usleep(st_utime_t usecs);
extern int st_sleep(int secs);
extern st_cond_t st_cond_new(void);
extern int st_cond_destroy(st_cond_t cvar);
extern int st_cond_timedwait(st_cond_t cvar, st_utime_t timeout);
extern int st_cond_wait(st_cond_t cvar);
extern int st_cond_signal(st_cond_t cvar);
extern int st_cond_broadcast(st_cond_t cvar);
extern st_mutex_t st_mutex_new(void);
extern int st_mutex_destroy(st_mutex_t lock);
extern int st_mutex_lock(st_mutex_t lock);
extern int st_mutex_unlock(st_mutex_t lock);
extern int st_mutex_trylock(st_mutex_t lock);
extern int st_key_create(int *keyp, void (*destructor)(void *));
extern int st_key_getlimit(void);
extern int st_thread_setspecific(int key, void *value);
extern void *st_thread_getspecific(int key);
extern st_netfd_t st_netfd_open(int osfd);
extern st_netfd_t st_netfd_open_socket(int osfd);
extern void st_netfd_free(st_netfd_t fd);
extern int st_netfd_close(st_netfd_t fd);
extern int st_netfd_fileno(st_netfd_t fd);
extern void st_netfd_setspecific(st_netfd_t fd, void *value,
void (*destructor)(void *));
extern void *st_netfd_getspecific(st_netfd_t fd);
extern int st_netfd_serialize_accept(st_netfd_t fd);
extern int st_netfd_poll(st_netfd_t fd, int how, st_utime_t timeout);
extern int st_poll(struct pollfd *pds, int npds, st_utime_t timeout);
extern st_netfd_t st_accept(st_netfd_t fd, struct sockaddr *addr, int *addrlen,
st_utime_t timeout);
extern int st_connect(st_netfd_t fd, const struct sockaddr *addr, int addrlen,
st_utime_t timeout);
extern ssize_t st_read(st_netfd_t fd, void *buf, size_t nbyte,
st_utime_t timeout);
extern ssize_t st_read_fully(st_netfd_t fd, void *buf, size_t nbyte,
st_utime_t timeout);
extern int st_read_resid(st_netfd_t fd, void *buf, size_t *resid,
st_utime_t timeout);
extern ssize_t st_readv(st_netfd_t fd, const struct iovec *iov, int iov_size,
st_utime_t timeout);
extern int st_readv_resid(st_netfd_t fd, struct iovec **iov, int *iov_size,
st_utime_t timeout);
extern ssize_t st_write(st_netfd_t fd, const void *buf, size_t nbyte,
st_utime_t timeout);
extern int st_write_resid(st_netfd_t fd, const void *buf, size_t *resid,
st_utime_t timeout);
extern ssize_t st_writev(st_netfd_t fd, const struct iovec *iov, int iov_size,
st_utime_t timeout);
extern int st_writev_resid(st_netfd_t fd, struct iovec **iov, int *iov_size,
st_utime_t timeout);
extern int st_recvfrom(st_netfd_t fd, void *buf, int len,
struct sockaddr *from, int *fromlen,
st_utime_t timeout);
extern int st_sendto(st_netfd_t fd, const void *msg, int len,
const struct sockaddr *to, int tolen, st_utime_t timeout);
extern int st_recvmsg(st_netfd_t fd, struct msghdr *msg, int flags,
st_utime_t timeout);
extern int st_sendmsg(st_netfd_t fd, const struct msghdr *msg, int flags,
st_utime_t timeout);
extern st_netfd_t st_open(const char *path, int oflags, mode_t mode);
#ifdef DEBUG
extern void _st_show_thread_stack(st_thread_t thread, const char *messg);
extern void _st_iterate_threads(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* !__ST_THREAD_H__ */
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