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[PULL 01/15] osdep: add getloadavg
From: |
Michael S. Tsirkin |
Subject: |
[PULL 01/15] osdep: add getloadavg |
Date: |
Fri, 1 Dec 2023 12:15:11 -0500 |
getloadavg is supported on Linux, BSDs, Solaris.
Following man page:
RETURN VALUE
If the load average was unobtainable, -1 is returned; otherwise,
the number of samples actually retrieved is returned.
accordingly, make stub for systems which don't support this function return -1
for consistency.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
include/qemu/osdep.h | 10 ++++++++++
meson.build | 1 +
2 files changed, 11 insertions(+)
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 475a1c62ff..d30ba73eda 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -779,6 +779,16 @@ static inline int platform_does_not_support_system(const
char *command)
}
#endif /* !HAVE_SYSTEM_FUNCTION */
+/**
+ * If the load average was unobtainable, -1 is returned
+ */
+#ifndef HAVE_GETLOADAVG_FUNCTION
+static inline int getloadavg(double loadavg[], int nelem)
+{
+ return -1;
+}
+#endif /* !HAVE_GETLOADAVG_FUNCTION */
+
#ifdef __cplusplus
}
#endif
diff --git a/meson.build b/meson.build
index ec01f8b138..d2c4c2adb3 100644
--- a/meson.build
+++ b/meson.build
@@ -2293,6 +2293,7 @@ config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR',
glib_has_gslice)
config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies:
util))
config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix:
'#include <stdlib.h>'))
+config_host_data.set('HAVE_GETLOADAVG_FUNCTION', cc.has_function('getloadavg',
prefix: '#include <stdlib.h>'))
if rbd.found()
config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
cc.has_function('rbd_namespace_exists',
--
MST
- [PULL 00/15] virtio,pc,pci: fixes, Michael S. Tsirkin, 2023/12/01
- [PULL 04/15] hw/audio/virtio-snd-pci: fix the PCI class code, Michael S. Tsirkin, 2023/12/01
- [PULL 05/15] hw/audio/hda-codec: fix multiplication overflow, Michael S. Tsirkin, 2023/12/01
- [PULL 01/15] osdep: add getloadavg,
Michael S. Tsirkin <=
- [PULL 07/15] virtio-snd: check AUD_register_card return value, Michael S. Tsirkin, 2023/12/01
- [PULL 15/15] vhost-user-scsi: free the inflight area when reset, Michael S. Tsirkin, 2023/12/01
- [PULL 02/15] netdev: set timeout depending on loadavg, Michael S. Tsirkin, 2023/12/01
- [PULL 03/15] tests/acpi/bios-tables-test: do not write new blobs unless there are changes, Michael S. Tsirkin, 2023/12/01
- [PULL 09/15] pcie_sriov: Remove g_new assertion, Michael S. Tsirkin, 2023/12/01
- [PULL 10/15] hw/acpi/erst: Do not ignore Error* in realize handler, Michael S. Tsirkin, 2023/12/01
- [PULL 12/15] virtio-iommu: Remove useless !sdev check in virtio_iommu_probe(), Michael S. Tsirkin, 2023/12/01
- [PULL 08/15] virtio-sound: add realize() error cleanup path, Michael S. Tsirkin, 2023/12/01