diff options
Diffstat (limited to 'src/debug-generator/debug-generator.c')
-rw-r--r-- | src/debug-generator/debug-generator.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c index 9d0ab06e2f..7e80af78e7 100644 --- a/src/debug-generator/debug-generator.c +++ b/src/debug-generator/debug-generator.c @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - /*** This file is part of systemd. @@ -19,11 +17,17 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ -#include "util.h" +#include "alloc-util.h" +#include "mkdir.h" +#include "parse-util.h" +#include "proc-cmdline.h" +#include "special.h" +#include "string-util.h" #include "strv.h" #include "unit-name.h" -#include "mkdir.h" +#include "util.h" +static char *arg_default_unit = NULL; static const char *arg_dest = "/tmp"; static char **arg_mask = NULL; static char **arg_wants = NULL; @@ -76,6 +80,24 @@ static int parse_proc_cmdline_item(const char *key, const char *value) { arg_debug_shell = r; } else arg_debug_shell = true; + } else if (streq(key, "systemd.unit")) { + + if (!value) + log_error("Missing argument for systemd.unit= kernel command line parameter."); + else { + r = free_and_strdup(&arg_default_unit, value); + if (r < 0) + return log_error_errno(r, "Failed to set default unit %s: %m", value); + } + } else if (!value) { + const char *target; + + target = runlevel_to_target(key); + if (target) { + r = free_and_strdup(&arg_default_unit, target); + if (r < 0) + return log_error_errno(r, "Failed to set default unit %s: %m", target); + } } return 0; @@ -95,10 +117,10 @@ static int generate_mask_symlinks(void) { if (!p) return log_oom(); - if (symlink("/dev/null", p) < 0) { - log_error_errno(errno, "Failed to create mask symlink %s: %m", p); - r = -errno; - } + if (symlink("/dev/null", p) < 0) + r = log_error_errno(errno, + "Failed to create mask symlink %s: %m", + p); } return r; @@ -114,7 +136,7 @@ static int generate_wants_symlinks(void) { STRV_FOREACH(u, arg_wants) { _cleanup_free_ char *p = NULL, *f = NULL; - p = strjoin(arg_dest, "/default.target.wants/", *u, NULL); + p = strjoin(arg_dest, "/", arg_default_unit, ".wants/", *u, NULL); if (!p) return log_oom(); @@ -124,10 +146,10 @@ static int generate_wants_symlinks(void) { mkdir_parents_label(p, 0755); - if (symlink(f, p) < 0) { - log_error_errno(errno, "Failed to create wants symlink %s: %m", p); - r = -errno; - } + if (symlink(f, p) < 0) + r = log_error_errno(errno, + "Failed to create wants symlink %s: %m", + p); } return r; @@ -150,6 +172,12 @@ int main(int argc, char *argv[]) { umask(0022); + r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET); + if (r < 0) { + log_error_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET); + goto finish; + } + r = parse_proc_cmdline(parse_proc_cmdline_item); if (r < 0) log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); |