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nodeinfo: fix build on non-Linux

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Commit b0f8546 broke the build on mingw, by exposing code that
had Linux-specific dependencies but which was previously protected
by libnuma ifdef guards:

make[3]: Entering directory `/home/eblake/libvirt-tmp/build/src'
  CC       libvirt_driver_la-nodeinfo.lo
../../src/nodeinfo.c: In function 'virNodeGetSiblingsList':
../../src/nodeinfo.c:1543:30: error: 'SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX' undeclared (first use in this function)
     if (virFileReadAll(path, SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX, &buf) < 0)
                              ^
../../src/nodeinfo.c:1543:30: note: each undeclared identifier is reported only once for each function it appears in
../../src/nodeinfo.c: In function 'virNodeCapsFillCPUInfo':
../../src/nodeinfo.c:1562:5: error: implicit declaration of function 'virNodeGetCpuValue' [-Werror=implicit-function-declaration]
     if ((tmp = virNodeGetCpuValue(SYSFS_CPU_PATH, cpu_id,
     ^
../../src/nodeinfo.c:1562:5: error: nested extern declaration of 'virNodeGetCpuValue' [-Werror=nested-externs]
../../src/nodeinfo.c:1562:35: error: 'SYSFS_CPU_PATH' undeclared (first use in this function)
     if ((tmp = virNodeGetCpuValue(SYSFS_CPU_PATH, cpu_id,
                                   ^
cc1: all warnings being treated as errors

* src/nodeinfo.c (virNodeCapsFillCPUInfo): Make conditional.
(virNodeGetSiblingsList): Move into #ifdef linux block.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2013-11-06 17:09:26 -07:00
parent 348b4e254b
commit adb44955c4
1 changed files with 32 additions and 24 deletions
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56
src/nodeinfo.c
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@ -867,6 +867,30 @@ error:
virBitmapFree(map); virBitmapFree(map);
return NULL; return NULL;
} }
static virBitmapPtr
virNodeGetSiblingsList(const char *dir, int cpu_id)
{
char *path = NULL;
char *buf = NULL;
virBitmapPtr ret = NULL;
if (virAsprintf(&path, "%s/cpu%u/topology/thread_siblings_list",
dir, cpu_id) < 0)
goto cleanup;
if (virFileReadAll(path, SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX, &buf) < 0)
goto cleanup;
if (virBitmapParse(buf, 0, &ret, virNumaGetMaxCPUs()) < 0)
goto cleanup;
cleanup:
VIR_FREE(buf);
VIR_FREE(path);
return ret;
}
#endif #endif
int nodeGetInfo(virNodeInfoPtr nodeinfo) int nodeGetInfo(virNodeInfoPtr nodeinfo)
@ -1529,33 +1553,12 @@ nodeGetFreeMemoryFake(void)
return ret; return ret;
} }
static virBitmapPtr
virNodeGetSiblingsList(const char *dir, int cpu_id)
{
char *path = NULL;
char *buf = NULL;
virBitmapPtr ret = NULL;
if (virAsprintf(&path, "%s/cpu%u/topology/thread_siblings_list",
dir, cpu_id) < 0)
goto cleanup;
if (virFileReadAll(path, SYSFS_THREAD_SIBLINGS_LIST_LENGTH_MAX, &buf) < 0)
goto cleanup;
if (virBitmapParse(buf, 0, &ret, virNumaGetMaxCPUs()) < 0)
goto cleanup;
cleanup:
VIR_FREE(buf);
VIR_FREE(path);
return ret;
}
/* returns 1 on success, 0 if the detection failed and -1 on hard error */ /* returns 1 on success, 0 if the detection failed and -1 on hard error */
static int static int
virNodeCapsFillCPUInfo(int cpu_id, virCapsHostNUMACellCPUPtr cpu) virNodeCapsFillCPUInfo(int cpu_id ATTRIBUTE_UNUSED,
virCapsHostNUMACellCPUPtr cpu ATTRIBUTE_UNUSED)
{ {
#ifdef __linux__
int tmp; int tmp;
cpu->id = cpu_id; cpu->id = cpu_id;
@ -1575,6 +1578,11 @@ virNodeCapsFillCPUInfo(int cpu_id, virCapsHostNUMACellCPUPtr cpu)
return -1; return -1;
return 0; return 0;
#else
virReportError(VIR_ERR_NO_SUPPORT, "%s",
_("node cpu info not implemented on this platform"));
return -1;
#endif
} }
int int