From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/shared/daemon-util.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 src/shared/daemon-util.c (limited to 'src/shared/daemon-util.c') diff --git a/src/shared/daemon-util.c b/src/shared/daemon-util.c new file mode 100644 index 0000000..32180a1 --- /dev/null +++ b/src/shared/daemon-util.c @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "daemon-util.h" +#include "fd-util.h" +#include "log.h" +#include "string-util.h" + +static int notify_remove_fd_warn(const char *name) { + int r; + + assert(name); + + r = sd_notifyf(/* unset_environment = */ false, + "FDSTOREREMOVE=1\n" + "FDNAME=%s", name); + if (r < 0) + return log_warning_errno(r, + "Failed to remove file descriptor \"%s\" from the store, ignoring: %m", + name); + + return 0; +} + +int notify_remove_fd_warnf(const char *format, ...) { + _cleanup_free_ char *p = NULL; + va_list ap; + int r; + + assert(format); + + va_start(ap, format); + r = vasprintf(&p, format, ap); + va_end(ap); + if (r < 0) + return log_oom(); + + return notify_remove_fd_warn(p); +} + +int close_and_notify_warn(int fd, const char *name) { + if (name) + (void) notify_remove_fd_warn(name); + + return safe_close(fd); +} + +static int notify_push_fd(int fd, const char *name) { + _cleanup_free_ char *state = NULL; + + assert(fd >= 0); + assert(name); + + state = strjoin("FDSTORE=1\n" + "FDNAME=", name); + if (!state) + return -ENOMEM; + + return sd_pid_notify_with_fds(0, /* unset_environment = */ false, state, &fd, 1); +} + +int notify_push_fdf(int fd, const char *format, ...) { + _cleanup_free_ char *name = NULL; + va_list ap; + int r; + + assert(fd >= 0); + assert(format); + + va_start(ap, format); + r = vasprintf(&name, format, ap); + va_end(ap); + if (r < 0) + return -ENOMEM; + + return notify_push_fd(fd, name); +} -- cgit v1.2.3