From 2e5664d2df02a902300f8f67b4eefe0309bde5b9 Mon Sep 17 00:00:00 2001 From: Nicholas Marriott Date: Fri, 24 Mar 2017 10:05:53 +0000 Subject: Update imsg*.[ch] from OpenBSD, add some compat bits it needs and remove some bits it doesn't. --- compat/getdtablecount.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 compat/getdtablecount.c (limited to 'compat/getdtablecount.c') diff --git a/compat/getdtablecount.c b/compat/getdtablecount.c new file mode 100644 index 00000000..3ccab650 --- /dev/null +++ b/compat/getdtablecount.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2017 Nicholas Marriott + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include + +#include +#include + +#include "compat.h" + +void fatal(const char *, ...); +void fatalx(const char *, ...); + +#ifdef HAVE_PROC_PID +int +getdtablecount(void) +{ + char path[PATH_MAX]; + glob_t g; + int n; + + if (snprintf(path, sizeof path, "/proc/%ld/fd/*", (long)getpid()) < 0) + fatal("snprintf overflow"); + switch (glob(path, 0, NULL, &g)) { + case GLOB_NOMATCH: + return (0); + case 0: + break; + default: + fatal("glob(\"%s\") failed", path); + } + n = g.gl_pathc; + globfree(&g); + return (n); +} +#else +int +getdtablecount(void) +{ + return (0); +} +#endif -- cgit