Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* configure fix for environment variables (Daniel)
* fix memory leaks (Alex)
* x86_64 MTTCG fixes (Emilio)
* introduce atomic64 (Emilio)
* Fix for virtio hang (Fam, myself)
* SH serial port fix (Geert)
* Deprecate rotation_rate for scsi-block (Fam)
* Extend memory-backend-file availability to all POSIX hosts (Hikaru)
* Memory API cleanups and fixes (Igor, Li Qiang, Peter, Philippe)
* MSI/IOMMU fix (Jan)
* Socket reconnection fixes (Marc-André)
* icount fixes (Emilio, myself)
* QSP fixes for Coverity (myself)
* Some record/replay improovements (Pavel)
* Packed struct fixes (Peter)
* Windows dump fixes and elf2dmp (Viktor)
* kbmclock fix (Yongji)

# gpg: Signature made Tue 02 Oct 2018 18:13:12 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (80 commits)
  hw/scsi/mptendian: Avoid taking address of fields in packed structs
  cpus: fix TCG kick timer leak
  docs/devel/memory.txt: Document _with_attrs accessors
  hw/nvram/fw_cfg: Use memberwise copy of MemoryRegionOps struct
  memory: Remove old_mmio accessors
  memory: Fix access_with_adjusted_size(small size) on big-endian memory regions
  memory: Refactor common shifting code from accessors
  memory: Use MAKE_64BIT_MASK()
  virtio: do not take address of packed members
  replay: replay BH for IDE trim operation
  hostmem-file: make available memory-backend-file on POSIX-based hosts
  target/i386: fix translation for icount mode
  hvf: drop unused variable
  qom/object: add some interface asserts
  accel/tcg: Remove dead code
  lsi53c895a: convert to trace-events
  scsi-block: Deprecate rotation_rate
  kvmclock: run KVM_KVMCLOCK_CTRL ioctl in vcpu thread
  MAINTAINERS: add myself as elf2dmp maintainer
  contrib: add elf2dmp tool
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 19 insertions, 6 deletions

diff --git a/vl.c b/vl.c
index cc55fe04a2..0388852deb 100644
--- a/vl.c
+++ b/vl.c
@@ -2560,6 +2560,16 @@ static void qemu_run_exit_notifiers(void)
     notifier_list_notify(&exit_notifiers, NULL);
 }
 
+static const char *pid_file;
+static Notifier qemu_unlink_pidfile_notifier;
+
+static void qemu_unlink_pidfile(Notifier *n, void *data)
+{
+    if (pid_file) {
+        unlink(pid_file);
+    }
+}
+
 bool machine_init_done;
 
 void qemu_add_machine_init_done_notifier(Notifier *notify)
@@ -2884,7 +2894,6 @@ int main(int argc, char **argv, char **envp)
     const char *vga_model = NULL;
     const char *qtest_chrdev = NULL;
     const char *qtest_log = NULL;
-    const char *pid_file = NULL;
     const char *incoming = NULL;
     bool userconfig = true;
     bool nographic = false;
@@ -3906,11 +3915,14 @@ int main(int argc, char **argv, char **envp)
     os_daemonize();
     rcu_disable_atfork();
 
-    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
-        error_report("could not acquire pid file: %s", strerror(errno));
+    if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
+        error_reportf_err(err, "cannot create PID file: ");
         exit(1);
     }
 
+    qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
+    qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
+
     if (qemu_init_main_loop(&main_loop_err)) {
         error_report_err(main_loop_err);
         exit(1);
@@ -4523,9 +4535,7 @@ int main(int argc, char **argv, char **envp)
     replay_checkpoint(CHECKPOINT_RESET);
     qemu_system_reset(SHUTDOWN_CAUSE_NONE);
     register_global_state();
-    if (replay_mode != REPLAY_MODE_NONE) {
-        replay_vmstate_init();
-    } else if (loadvm) {
+    if (loadvm) {
         Error *local_err = NULL;
         if (load_snapshot(loadvm, &local_err) < 0) {
             error_report_err(local_err);
@@ -4533,6 +4543,9 @@ int main(int argc, char **argv, char **envp)
             exit(1);
         }
     }
+    if (replay_mode != REPLAY_MODE_NONE) {
+        replay_vmstate_init();
+    }
 
     qdev_prop_check_globals();
     if (vmstate_dump_file) {