X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fcoredumpctl.c;h=afb39ad035cb871e67b99e9f423821542bd59c2d;hb=4af7b60d428765c2d2c66c46f416f6dae55e9ddb;hp=2163ef998941a95d09b0ee337b27996614e570c9;hpb=56f64d95763a799ba4475daf44d8e9f72a1bd474;p=elogind.git diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c index 2163ef998..afb39ad03 100644 --- a/src/journal/coredumpctl.c +++ b/src/journal/coredumpctl.c @@ -26,8 +26,7 @@ #include #include -#include "systemd/sd-journal.h" - +#include "sd-journal.h" #include "build.h" #include "set.h" #include "util.h" @@ -38,6 +37,7 @@ #include "journal-internal.h" #include "copy.h" #include "compress.h" +#include "sigbus.h" static enum { ACTION_NONE, @@ -50,8 +50,7 @@ static const char* arg_field = NULL; static int arg_no_pager = false; static int arg_no_legend = false; static int arg_one = false; - -static FILE* output = NULL; +static FILE* arg_output = NULL; static Set *new_matches(void) { Set *set; @@ -184,16 +183,14 @@ static int parse_argv(int argc, char *argv[], Set *matches) { break; case 'o': - if (output) { + if (arg_output) { log_error("cannot set output more than once"); return -EINVAL; } - output = fopen(optarg, "we"); - if (!output) { - log_error_errno(errno, "writing to '%s': %m", optarg); - return -errno; - } + arg_output = fopen(optarg, "we"); + if (!arg_output) + return log_error_errno(errno, "writing to '%s': %m", optarg); break; @@ -609,10 +606,8 @@ static int save_core(sd_journal *j, int fd, char **path, bool *unlink_temp) { return log_oom(); fdt = mkostemp_safe(temp, O_WRONLY|O_CLOEXEC); - if (fdt < 0) { - log_error_errno(errno, "Failed to create temporary file: %m"); - return -errno; - } + if (fdt < 0) + return log_error_errno(errno, "Failed to create temporary file: %m"); log_debug("Created temporary file %s", temp); fd = fdt; @@ -691,14 +686,14 @@ static int dump_core(sd_journal* j) { if (r < 0) return r; - print_info(output ? stdout : stderr, j, false); + print_info(arg_output ? stdout : stderr, j, false); - if (on_tty() && !output) { + if (on_tty() && !arg_output) { log_error("Refusing to dump core to tty."); return -ENOTTY; } - r = save_core(j, output ? fileno(output) : STDOUT_FILENO, NULL, NULL); + r = save_core(j, arg_output ? fileno(arg_output) : STDOUT_FILENO, NULL, NULL); if (r < 0) return log_error_errno(r, "Coredump retrieval failed: %m"); @@ -807,6 +802,8 @@ int main(int argc, char *argv[]) { if (arg_action == ACTION_NONE) goto end; + sigbus_install(); + r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); if (r < 0) { log_error_errno(r, "Failed to open journal: %m"); @@ -825,7 +822,7 @@ int main(int argc, char *argv[]) { } } - if (_unlikely_(log_get_max_level() >= LOG_PRI(LOG_DEBUG))) { + if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) { _cleanup_free_ char *filter; filter = journal_make_match_string(j); @@ -857,8 +854,8 @@ int main(int argc, char *argv[]) { end: pager_close(); - if (output) - fclose(output); + if (arg_output) + fclose(arg_output); return r >= 0 ? r : EXIT_FAILURE; }