Merge tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu into staging

Misc cleanups

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# gpg: Signature made Thu 21 Apr 2022 06:47:55 AM PDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]

* tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu: (30 commits)
  qga: use fixed-length and GDateTime for log timestamp
  tests/fuzz: fix warning
  qga: remove need for QEMU atomic.h
  util: replace qemu_get_local_state_pathname()
  util: use qemu_create() in qemu_write_pidfile()
  util: use qemu_write_full() in qemu_write_pidfile()
  util: simplify write in signal handler
  qtest: simplify socket_send()
  qga: move qga_get_host_name()
  Move error_printf_unless_qmp() with monitor unit
  tests: run-time skip test-qga if TSAN is enabled
  compiler.h: add QEMU_SANITIZE_{ADDRESS,THREAD}
  tests: remove block/qdict checks from check-qobject.c
  include: move qdict_{crumple,flatten} declarations
  include: add qemu/keyval.h
  include: move qemu_fdatasync() to osdep
  include: move qemu_msync() to osdep
  compiler.h: replace QEMU_NORETURN with G_NORETURN
  osdep.h: move qemu_build_not_reached()
  doc/style: CLang -> Clang
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

8 files changed, 67 insertions, 41 deletions

diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h
index d9359859d4..f20a76e4a2 100644
--- a/include/qemu/compiler.h
+++ b/include/qemu/compiler.h
@@ -22,8 +22,6 @@
 #define QEMU_EXTERN_C extern
 #endif
 
-#define QEMU_NORETURN __attribute__ ((__noreturn__))
-
 #if defined(_WIN32) && (defined(__x86_64__) || defined(__i386__))
 # define QEMU_PACKED __attribute__((gcc_struct, packed))
 #else
@@ -108,6 +106,14 @@
 #define __has_attribute(x) 0 /* compatibility with older GCC */
 #endif
 
+#if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)
+# define QEMU_SANITIZE_ADDRESS 1
+#endif
+
+#if defined(__SANITIZE_THREAD__) || __has_feature(thread_sanitizer)
+# define QEMU_SANITIZE_THREAD 1
+#endif
+
 /*
  * GCC doesn't provide __has_attribute() until GCC 5, but we know all the GCC
  * versions we support have the "flatten" attribute. Clang may not have the
@@ -157,22 +163,6 @@
 #endif
 
 /**
- * qemu_build_not_reached()
- *
- * The compiler, during optimization, is expected to prove that a call
- * to this function cannot be reached and remove it.  If the compiler
- * supports QEMU_ERROR, this will be reported at compile time; otherwise
- * this will be reported at link time due to the missing symbol.
- */
-extern void QEMU_NORETURN QEMU_ERROR("code path is reachable")
-    qemu_build_not_reached_always(void);
-#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
-#define qemu_build_not_reached()  qemu_build_not_reached_always()
-#else
-#define qemu_build_not_reached()  g_assert_not_reached()
-#endif
-
-/**
  * In most cases, normal "fallthrough" comments are good enough for
  * switch-case statements, but sometimes the compiler has problems
  * with those. In that case you can use QEMU_FALLTHROUGH instead.
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index e873bad366..5c6572d444 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -129,8 +129,6 @@ static inline const char *qemu_strchrnul(const char *s, int c)
 const char *qemu_strchrnul(const char *s, int c);
 #endif
 time_t mktimegm(struct tm *tm);
-int qemu_fdatasync(int fd);
-int qemu_msync(void *addr, size_t length, int fd);
 int qemu_parse_fd(const char *param);
 int qemu_strtoi(const char *nptr, const char **endptr, int base,
                 int *result);
diff --git a/include/qemu/error-report.h b/include/qemu/error-report.h
index b6f45e69d7..3ae2357fda 100644
--- a/include/qemu/error-report.h
+++ b/include/qemu/error-report.h
@@ -32,8 +32,6 @@ void loc_set_file(const char *fname, int lno);
 
 int error_vprintf(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
 int error_printf(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
-int error_vprintf_unless_qmp(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
-int error_printf_unless_qmp(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 void error_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
 void warn_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
diff --git a/include/qemu/help-texts.h b/include/qemu/help-texts.h
new file mode 100644
index 0000000000..ba32cc8b1f
--- /dev/null
+++ b/include/qemu/help-texts.h
@@ -0,0 +1,13 @@
+#ifndef QEMU_COMMON_H
+#define QEMU_COMMON_H
+
+/* Copyright string for -version arguments, About dialogs, etc */
+#define QEMU_COPYRIGHT "Copyright (c) 2003-2022 " \
+    "Fabrice Bellard and the QEMU Project developers"
+
+/* Bug reporting information for --help arguments, About dialogs, etc */
+#define QEMU_HELP_BOTTOM \
+    "See <https://qemu.org/contribute/report-a-bug> for how to report bugs.\n" \
+    "More information on the QEMU project at <https://qemu.org>."
+
+#endif
diff --git a/include/qemu/keyval.h b/include/qemu/keyval.h
new file mode 100644
index 0000000000..2d263286d7
--- /dev/null
+++ b/include/qemu/keyval.h
@@ -0,0 +1,14 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef KEYVAL_H_
+#define KEYVAL_H_
+
+QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
+                         bool *p_help, Error **errp);
+QDict *keyval_parse(const char *params, const char *implied_key,
+                    bool *help, Error **errp);
+void keyval_merge(QDict *old, const QDict *new, Error **errp);
+
+#endif /* KEYVAL_H_ */
diff --git a/include/qemu/option.h b/include/qemu/option.h
index bbd86e1c4e..b349828782 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -144,12 +144,6 @@ void qemu_opts_print_help(QemuOptsList *list, bool print_caption);
 void qemu_opts_free(QemuOptsList *list);
 QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
 
-QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
-                         bool *p_help, Error **errp);
-QDict *keyval_parse(const char *params, const char *implied_key,
-                    bool *help, Error **errp);
-void keyval_merge(QDict *old, const QDict *new, Error **errp);
-
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuOpts, qemu_opts_del)
 
 #endif
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index a733294710..baaa23c156 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -169,6 +169,23 @@ extern "C" {
 #define assert(x)  g_assert(x)
 #endif
 
+/**
+ * qemu_build_not_reached()
+ *
+ * The compiler, during optimization, is expected to prove that a call
+ * to this function cannot be reached and remove it.  If the compiler
+ * supports QEMU_ERROR, this will be reported at compile time; otherwise
+ * this will be reported at link time due to the missing symbol.
+ */
+extern G_NORETURN
+void QEMU_ERROR("code path is reachable")
+    qemu_build_not_reached_always(void);
+#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
+#define qemu_build_not_reached()  qemu_build_not_reached_always()
+#else
+#define qemu_build_not_reached()  g_assert_not_reached()
+#endif
+
 /*
  * According to waitpid man page:
  * WCOREDUMP
@@ -539,16 +556,13 @@ void qemu_set_cloexec(int fd);
 void fips_set_state(bool requested);
 bool fips_get_state(void);
 
-/* Return a dynamically allocated pathname denoting a file or directory that is
- * appropriate for storing local state.
- *
- * @relative_pathname need not start with a directory separator; one will be
- * added automatically.
+/* Return a dynamically allocated directory path that is appropriate for storing
+ * local state.
  *
  * The caller is responsible for releasing the value returned with g_free()
  * after use.
  */
-char *qemu_get_local_state_pathname(const char *relative_pathname);
+char *qemu_get_local_state_dir(void);
 
 /* Find program directory, and save it for later usage with
  * qemu_get_exec_dir().
@@ -624,15 +638,20 @@ static inline void qemu_reset_optind(void)
 #endif
 }
 
+int qemu_fdatasync(int fd);
+
 /**
- * qemu_get_host_name:
- * @errp: Error object
- *
- * Operating system agnostic way of querying host name.
+ * Sync changes made to the memory mapped file back to the backing
+ * storage. For POSIX compliant systems this will fallback
+ * to regular msync call. Otherwise it will trigger whole file sync
+ * (including the metadata case there is no support to skip that otherwise)
  *
- * Returns allocated hostname (caller should free), NULL on failure.
+ * @addr   - start of the memory area to be synced
+ * @length - length of the are to be synced
+ * @fd     - file descriptor for the file to be synced
+ *           (mandatory only for POSIX non-compliant systems)
  */
-char *qemu_get_host_name(Error **errp);
+int qemu_msync(void *addr, size_t length, int fd);
 
 /**
  * qemu_get_host_physmem:
diff --git a/include/qemu/thread.h b/include/qemu/thread.h
index 460568d67d..af19f2b3fc 100644
--- a/include/qemu/thread.h
+++ b/include/qemu/thread.h
@@ -188,7 +188,7 @@ void qemu_thread_create(QemuThread *thread, const char *name,
 void *qemu_thread_join(QemuThread *thread);
 void qemu_thread_get_self(QemuThread *thread);
 bool qemu_thread_is_self(QemuThread *thread);
-void qemu_thread_exit(void *retval) QEMU_NORETURN;
+G_NORETURN void qemu_thread_exit(void *retval);
 void qemu_thread_naming(bool enable);
 
 struct Notifier;