mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
246 lines
7.6 KiB
C
246 lines
7.6 KiB
C
/* w32-pth.h - GNU Pth emulation for W32 (MS Windows).
|
|
* Copyright (c) 1999-2003 Ralf S. Engelschall <rse@engelschall.com>
|
|
* Copyright (C) 2004 g10 Code GmbH
|
|
*
|
|
* This file is part of GnuPG.
|
|
*
|
|
* GnuPG is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation; either version 2.1 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* GnuPG is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*
|
|
* ------------------------------------------------------------------
|
|
* This code is based on Ralf Engelschall's GNU Pth, a non-preemptive
|
|
* thread scheduling library which can be found at
|
|
* http://www.gnu.org/software/pth/.
|
|
*/
|
|
|
|
/* Note that this header is usually used through a symlinked pth.h
|
|
file. This is needed so that we don't have a pth.h file here which
|
|
would conflict if a system really has pth available. */
|
|
#ifndef W32_PTH_H
|
|
#define W32_PTH_H
|
|
|
|
#include <windows.h> /* We need this for sockaddr et al. FIXME: too
|
|
heavyweight - may be we should factor such
|
|
code out to a second header and adjust all
|
|
user files to include it only if required. */
|
|
|
|
#ifndef W32_PTH_HANDLE_INTERNAL
|
|
#define W32_PTH_HANDLE_INTERNAL int
|
|
#endif
|
|
|
|
|
|
/* Filedescriptor blocking modes. */
|
|
enum
|
|
{
|
|
PTH_FDMODE_ERROR = -1,
|
|
PTH_FDMODE_POLL = 0,
|
|
PTH_FDMODE_BLOCK,
|
|
PTH_FDMODE_NONBLOCK
|
|
};
|
|
|
|
|
|
/* Mutex values. */
|
|
#define PTH_MUTEX_INITIALIZED (1<<0)
|
|
#define PTH_MUTEX_LOCKED (1<<1)
|
|
|
|
/* Note: We can't do static initialization, thus we don't define the
|
|
initializer PTH_MUTEX_INIT. */
|
|
|
|
|
|
#define PTH_KEY_INIT (1<<0)
|
|
|
|
|
|
/* Event subject classes. */
|
|
#define PTH_EVENT_FD (1<<1)
|
|
#define PTH_EVENT_SELECT (1<<2)
|
|
#define PTH_EVENT_SIGS (1<<3)
|
|
#define PTH_EVENT_TIME (1<<4)
|
|
#define PTH_EVENT_MSG (1<<5)
|
|
#define PTH_EVENT_MUTEX (1<<6)
|
|
#define PTH_EVENT_COND (1<<7)
|
|
#define PTH_EVENT_TID (1<<8)
|
|
#define PTH_EVENT_FUNC (1<<9)
|
|
|
|
|
|
|
|
/* Event occurrence restrictions. */
|
|
#define PTH_UNTIL_OCCURRED (1<<11)
|
|
#define PTH_UNTIL_FD_READABLE (1<<12)
|
|
#define PTH_UNTIL_FD_WRITEABLE (1<<13)
|
|
#define PTH_UNTIL_FD_EXCEPTION (1<<14)
|
|
#define PTH_UNTIL_TID_NEW (1<<15)
|
|
#define PTH_UNTIL_TID_READY (1<<16)
|
|
#define PTH_UNTIL_TID_WAITING (1<<17)
|
|
#define PTH_UNTIL_TID_DEAD (1<<18)
|
|
|
|
|
|
/* Event structure handling modes. */
|
|
#define PTH_MODE_REUSE (1<<20)
|
|
#define PTH_MODE_CHAIN (1<<21)
|
|
#define PTH_MODE_STATIC (1<<22)
|
|
|
|
|
|
/* Attribute commands for pth_attr_get and pth_attr_set(). */
|
|
enum
|
|
{
|
|
PTH_ATTR_PRIO, /* RW [int] Priority of thread. */
|
|
PTH_ATTR_NAME, /* RW [char *] Name of thread. */
|
|
PTH_ATTR_JOINABLE, /* RW [int] Thread detachment type. */
|
|
PTH_ATTR_CANCEL_STATE, /* RW [unsigned int] Thread cancellation state.*/
|
|
PTH_ATTR_STACK_SIZE, /* RW [unsigned int] Stack size. */
|
|
PTH_ATTR_STACK_ADDR, /* RW [char *] Stack lower address. */
|
|
PTH_ATTR_DISPATCHES, /* RO [int] Total number of
|
|
thread dispatches. */
|
|
PTH_ATTR_TIME_SPAWN, /* RO [pth_time_t] Time thread was spawned. */
|
|
PTH_ATTR_TIME_LAST, /* RO [pth_time_t] Time thread was
|
|
last dispatched. */
|
|
PTH_ATTR_TIME_RAN, /* RO [pth_time_t] Time thread was running. */
|
|
PTH_ATTR_START_FUNC, /* RO [void *(*)(void *)] Thread start function.*/
|
|
PTH_ATTR_START_ARG, /* RO [void *] Thread start argument. */
|
|
PTH_ATTR_STATE, /* RO [pth_state_t] Scheduling state. */
|
|
PTH_ATTR_EVENTS, /* RO [pth_event_t] Events the thread
|
|
is waiting for. */
|
|
PTH_ATTR_BOUND /* RO [int] Whether object is
|
|
bound to thread. */
|
|
};
|
|
|
|
|
|
|
|
/* Queries for pth_ctrl(). */
|
|
#define PTH_CTRL_GETAVLOAD (1<<1)
|
|
#define PTH_CTRL_GETPRIO (1<<2)
|
|
#define PTH_CTRL_GETNAME (1<<3)
|
|
#define PTH_CTRL_GETTHREADS_NEW (1<<4)
|
|
#define PTH_CTRL_GETTHREADS_READY (1<<5)
|
|
#define PTH_CTRL_GETTHREADS_RUNNING (1<<6)
|
|
#define PTH_CTRL_GETTHREADS_WAITING (1<<7)
|
|
#define PTH_CTRL_GETTHREADS_SUSPENDED (1<<8)
|
|
#define PTH_CTRL_GETTHREADS_DEAD (1<<9)
|
|
#define PTH_CTRL_DUMPSTATE (1<<10)
|
|
|
|
#define PTH_CTRL_GETTHREADS ( PTH_CTRL_GETTHREADS_NEW \
|
|
| PTH_CTRL_GETTHREADS_READY \
|
|
| PTH_CTRL_GETTHREADS_RUNNING \
|
|
| PTH_CTRL_GETTHREADS_WAITING \
|
|
| PTH_CTRL_GETTHREADS_SUSPENDED \
|
|
| PTH_CTRL_GETTHREADS_DEAD )
|
|
|
|
|
|
/* Event status codes. */
|
|
typedef enum
|
|
{
|
|
PTH_STATUS_PENDING,
|
|
PTH_STATUS_OCCURRED,
|
|
PTH_STATUS_FAILED
|
|
}
|
|
pth_status_t;
|
|
|
|
|
|
/* Event deallocation types. */
|
|
enum
|
|
{
|
|
PTH_FREE_THIS,
|
|
PTH_FREE_ALL
|
|
};
|
|
|
|
|
|
/* The Pth thread handle object. */
|
|
typedef void *pth_t;
|
|
|
|
|
|
/* The Mutex object. */
|
|
typedef W32_PTH_HANDLE_INTERNAL pth_mutex_t;
|
|
|
|
|
|
/* The Event object. */
|
|
struct pth_event_s;
|
|
typedef struct pth_event_s *pth_event_t;
|
|
|
|
|
|
/* The Attribute object. */
|
|
struct pth_attr_s;
|
|
typedef struct pth_attr_s *pth_attr_t;
|
|
|
|
|
|
/* The Key object. */
|
|
typedef int pth_key_t;
|
|
|
|
|
|
/* The Pth time object. */
|
|
typedef struct timeval pth_time_t;
|
|
|
|
|
|
/* Function prototypes. */
|
|
int pth_init (void);
|
|
int pth_kill (void);
|
|
long pth_ctrl (unsigned long query, ...);
|
|
|
|
int pth_read_ev (int fd, void *buffer, size_t size, pth_event_t ev);
|
|
int pth_read (int fd, void *buffer, size_t size);
|
|
int pth_write_ev (int fd, const void *buffer, size_t size, pth_event_t ev);
|
|
int pth_write (int fd, const void *buffer, size_t size);
|
|
|
|
int pth_select (int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds,
|
|
const struct timeval *timeout);
|
|
|
|
int pth_accept (int fd, struct sockaddr *addr, int *addrlen);
|
|
int pth_accept_ev (int fd, struct sockaddr *addr, int *addrlen,
|
|
pth_event_t hd);
|
|
|
|
int pth_connect (int fd, struct sockaddr *name, int namelen);
|
|
|
|
|
|
int pth_mutex_release (pth_mutex_t *hd);
|
|
int pth_mutex_acquire(pth_mutex_t *hd, int try_only, pth_event_t ev_extra);
|
|
int pth_mutex_init (pth_mutex_t *hd);
|
|
|
|
|
|
pth_attr_t pth_attr_new (void);
|
|
int pth_attr_destroy (pth_attr_t hd);
|
|
int pth_attr_set (pth_attr_t hd, int field, ...);
|
|
|
|
pth_t pth_spawn (pth_attr_t hd, void *(*func)(void *), void *arg);
|
|
pth_t pth_self (void);
|
|
int pth_join (pth_t hd, void **value);
|
|
int pth_abort (pth_t hd);
|
|
void pth_exit (void *value);
|
|
|
|
unsigned int pth_waitpid (unsigned int, int *status, int options);
|
|
int pth_wait (pth_event_t hd);
|
|
|
|
int pth_sleep (int n);
|
|
pth_time_t pth_timeout (long sec, long usec);
|
|
|
|
|
|
|
|
pth_event_t pth_event_isolate (pth_event_t hd);
|
|
int pth_event_free (pth_event_t hd, int mode);
|
|
int pth_event_status (pth_event_t hd);
|
|
int pth_event_occurred (pth_event_t hd);
|
|
pth_event_t pth_event_concat (pth_event_t ev, ...);
|
|
pth_event_t pth_event (unsigned long spec, ...);
|
|
|
|
|
|
|
|
/*-- pth_util.c --*/
|
|
|
|
/* void sigemptyset (struct sigset_s * ss); */
|
|
|
|
/* int sigaddset (struct sigset_s * ss, int signo); */
|
|
|
|
|
|
|
|
#endif /*W32_PTH_H*/
|