fpm_sockets.h

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    /* (c) 2007,2008 Andrei Nigmatulin */
 
#ifndef FPM_MISC_H
#define FPM_MISC_H 1
 
#include <sys/types.h>
#include <sys/socket.h>
#if defined(__FreeBSD__)
#include <sys/sysctl.h>
#endif
#include <sys/un.h>
#include <unistd.h>
#include <fcntl.h>
 
#include "fpm_worker_pool.h"
 
/*
  On Linux, FreeBSD, OpenBSD, DragonFlyBSD and macOS, backlog negative values are truncated to SOMAXCONN
*/
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__linux__) || \
    defined(__DragonFly__) || defined(__APPLE__)
#define FPM_BACKLOG_DEFAULT -1
#else
#define FPM_BACKLOG_DEFAULT 511
#endif
 
#define FPM_ENV_SOCKET_SET_MAX 256
#define FPM_ENV_SOCKET_SET_SIZE 128
 
enum fpm_address_domain fpm_sockets_domain_from_address(char *addr);
int fpm_sockets_init_main(void);
int fpm_socket_get_listening_queue(int sock, unsigned *cur_lq, unsigned *max_lq);
int fpm_socket_unix_test_connect(struct sockaddr_un *sock, size_t socklen);
 
 
static inline int fd_set_blocked(int fd, int blocked) /* {{{ */
{
    int flags = fcntl(fd, F_GETFL);
 
    if (flags < 0) {
        return -1;
    }
 
    if (blocked) {
        flags &= ~O_NONBLOCK;
    } else {
        flags |= O_NONBLOCK;
    }
    return fcntl(fd, F_SETFL, flags);
}
/* }}} */
 
#endif