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108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <Availability.h>
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#include <event.h>
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#include <libproc.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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char *osdep_get_name(int, char *);
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char *osdep_get_cwd(int);
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struct event_base *osdep_event_init(void);
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#ifndef __unused
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#define __unused __attribute__ ((__unused__))
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#endif
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char *
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osdep_get_name(int fd, __unused char *tty)
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{
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#ifdef __MAC_10_7
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struct proc_bsdshortinfo bsdinfo;
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pid_t pgrp;
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int ret;
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if ((pgrp = tcgetpgrp(fd)) == -1)
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return (NULL);
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ret = proc_pidinfo(pgrp, PROC_PIDT_SHORTBSDINFO, 0,
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&bsdinfo, sizeof bsdinfo);
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if (ret == sizeof bsdinfo && *bsdinfo.pbsi_comm != '\0')
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return (strdup(bsdinfo.pbsi_comm));
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return (NULL);
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#else
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int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
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size_t size;
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struct kinfo_proc kp;
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if ((mib[3] = tcgetpgrp(fd)) == -1)
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return (NULL);
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size = sizeof kp;
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if (sysctl(mib, 4, &kp, &size, NULL, 0) == -1)
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return (NULL);
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if (size != (sizeof kp) || *kp.kp_proc.p_comm == '\0')
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return (NULL);
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return (strdup(kp.kp_proc.p_comm));
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#endif
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}
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char *
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osdep_get_cwd(int fd)
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{
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static char wd[PATH_MAX];
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struct proc_vnodepathinfo pathinfo;
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pid_t pgrp;
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int ret;
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if ((pgrp = tcgetpgrp(fd)) == -1)
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return (NULL);
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ret = proc_pidinfo(pgrp, PROC_PIDVNODEPATHINFO, 0,
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&pathinfo, sizeof pathinfo);
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if (ret == sizeof pathinfo) {
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strlcpy(wd, pathinfo.pvi_cdir.vip_path, sizeof wd);
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return (wd);
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}
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return (NULL);
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}
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struct event_base *
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osdep_event_init(void)
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{
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struct event_base *base;
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/*
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* On OS X, kqueue and poll are both completely broken and don't
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* work on anything except socket file descriptors (yes, really).
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*/
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setenv("EVENT_NOKQUEUE", "1", 1);
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setenv("EVENT_NOPOLL", "1", 1);
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base = event_init();
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unsetenv("EVENT_NOKQUEUE");
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unsetenv("EVENT_NOPOLL");
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return (base);
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}
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