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/* $Cambridge: hermes/src/prayer/lib/os.h,v 1.4 2010/07/07 15:02:10 dpc22 Exp $ */
/************************************************
* Prayer - a Webmail Interface *
************************************************/
/* Copyright (c) University of Cambridge 2000 - 2008 */
/* See the file NOTICE for conditions of use and distribution. */
BOOL os_socketpair(int *sockfd);
int os_connect_unix_socket(char *name);
int os_connect_inet_socket(char *host, unsigned long port);
int os_bind_unix_socket(char *name);
int *os_bind_inet_socket(unsigned long port, char *interface);
int os_accept_unix(int sockfd);
int os_accept_inet(int sockfd, struct ipaddr *ipaddr);
int os_socket_blocking(int sockfd);
int os_socket_nonblocking(int sockfd);
char *os_gethostbyaddr(void *addr, unsigned int version);
int os_inet_ntop(void *addr, unsigned long version, char *buf, unsigned long buflen);
int os_inet_pton(char *str, struct ipaddr *addr);
void os_child_reaper();
pid_t os_waitpid_nohang();
BOOL os_signal_child_init(void (*fn) ());
BOOL os_signal_child_clear(void);
BOOL os_signal_alarm_init(void (*fn) ());
BOOL os_signal_alarm_clear(void);
BOOL os_signal_init();
BOOL os_lock_exclusive(int fd);
BOOL os_lock_shared(int fd);
BOOL os_lock_release(int fd);
BOOL os_lock_exclusive_allow_break(int fd);
BOOL os_lock_shared_allow_break(int fd);
BOOL os_lock_release_allow_break(int fd);
BOOL os_random(struct ssl_config *ssl_config, void *buffer, unsigned long count);
void os_limit_vm(unsigned long x);
void os_prctl_set_dumpable(void);
BOOL os_run(char *cmdline, int *fdp, int *childpidp);
BOOL os_run_pty(char *cmdline, int *fdp, int *childpidp);
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