diff options
Diffstat (limited to 'usr.bin/tar/siginfo.c')
| -rw-r--r-- | usr.bin/tar/siginfo.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/usr.bin/tar/siginfo.c b/usr.bin/tar/siginfo.c deleted file mode 100644 index e0881ac..0000000 --- a/usr.bin/tar/siginfo.c +++ /dev/null @@ -1,151 +0,0 @@ -/*- - * Copyright 2008 Colin Percival - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "bsdtar_platform.h" -__FBSDID("$FreeBSD$"); - -#include <errno.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "bsdtar.h" - -/* Is there a pending SIGINFO or SIGUSR1? */ -static volatile sig_atomic_t siginfo_received = 0; - -struct siginfo_data { - /* What sort of operation are we doing? */ - char * oper; - - /* What path are we handling? */ - char * path; - - /* How large is the archive entry? */ - int64_t size; - - /* Old signal handlers. */ -#ifdef SIGINFO - void (*siginfo_old)(int); -#endif - void (*sigusr1_old)(int); -}; - -static void siginfo_handler(int sig); - -/* Handler for SIGINFO / SIGUSR1. */ -static void -siginfo_handler(int sig) -{ - - (void)sig; /* UNUSED */ - - /* Record that SIGINFO or SIGUSR1 has been received. */ - siginfo_received = 1; -} - -void -siginfo_init(struct bsdtar *bsdtar) -{ - - /* Allocate space for internal structure. */ - if ((bsdtar->siginfo = malloc(sizeof(struct siginfo_data))) == NULL) - bsdtar_errc(bsdtar, 1, errno, "malloc failed"); - - /* Set the strings to NULL so that free() is safe. */ - bsdtar->siginfo->path = bsdtar->siginfo->oper = NULL; - -#ifdef SIGINFO - /* We want to catch SIGINFO, if it exists. */ - bsdtar->siginfo->siginfo_old = signal(SIGINFO, siginfo_handler); -#endif -#ifdef SIGUSR1 - /* ... and treat SIGUSR1 the same way as SIGINFO. */ - bsdtar->siginfo->sigusr1_old = signal(SIGUSR1, siginfo_handler); -#endif -} - -void -siginfo_setinfo(struct bsdtar *bsdtar, const char * oper, const char * path, - int64_t size) -{ - - /* Free old operation and path strings. */ - free(bsdtar->siginfo->oper); - free(bsdtar->siginfo->path); - - /* Duplicate strings and store entry size. */ - if ((bsdtar->siginfo->oper = strdup(oper)) == NULL) - bsdtar_errc(bsdtar, 1, errno, "Cannot strdup"); - if ((bsdtar->siginfo->path = strdup(path)) == NULL) - bsdtar_errc(bsdtar, 1, errno, "Cannot strdup"); - bsdtar->siginfo->size = size; -} - -void -siginfo_printinfo(struct bsdtar *bsdtar, off_t progress) -{ - - /* If there's a signal to handle and we know what we're doing... */ - if ((siginfo_received == 1) && - (bsdtar->siginfo->path != NULL) && - (bsdtar->siginfo->oper != NULL)) { - if (bsdtar->verbose) - fprintf(stderr, "\n"); - if (bsdtar->siginfo->size > 0) { - safe_fprintf(stderr, "%s %s (%ju / %" PRId64 ")", - bsdtar->siginfo->oper, bsdtar->siginfo->path, - (uintmax_t)progress, bsdtar->siginfo->size); - } else { - safe_fprintf(stderr, "%s %s", - bsdtar->siginfo->oper, bsdtar->siginfo->path); - } - if (!bsdtar->verbose) - fprintf(stderr, "\n"); - siginfo_received = 0; - } -} - -void -siginfo_done(struct bsdtar *bsdtar) -{ - -#ifdef SIGINFO - /* Restore old SIGINFO handler. */ - signal(SIGINFO, bsdtar->siginfo->siginfo_old); -#endif -#ifdef SIGUSR1 - /* And the old SIGUSR1 handler, too. */ - signal(SIGUSR1, bsdtar->siginfo->sigusr1_old); -#endif - - /* Free strings. */ - free(bsdtar->siginfo->path); - free(bsdtar->siginfo->oper); - - /* Free internal data structure. */ - free(bsdtar->siginfo); -} |
