diff options
| author |   Khem Raj <raj.khem@gmail.com> | 2011-05-06 15:17:25 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2011-05-10 09:51:40 +0100 |
| commit | 03f442250579a392b49b54648840fbeb7c0a0142 (patch) | |
| tree | 37887c11bd67a13caee99b1430097b40271a95ac /meta/recipes-kernel/lttng/lttng-ust | |
| parent | fdbcf8eea9d83a8040157d8a5bb6febae5eb9a14 (diff) | |
| download | openembedded-core-03f442250579a392b49b54648840fbeb7c0a0142.tar.gz | |
lttng-ust_0.12.bb: Fix compilation on uclibc
We provide alternative implementation of sched_getcpu()
when compiling for uclibc
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'meta/recipes-kernel/lttng/lttng-ust')
| -rw-r--r-- | meta/recipes-kernel/lttng/lttng-ust/uclibc-sched_getcpu.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-kernel/lttng/lttng-ust/uclibc-sched_getcpu.patch b/meta/recipes-kernel/lttng/lttng-ust/uclibc-sched_getcpu.patch new file mode 100644 index 0000000000..7102a69184 --- /dev/null +++ b/meta/recipes-kernel/lttng/lttng-ust/uclibc-sched_getcpu.patch @@ -0,0 +1,50 @@ +uClibc does not have sched_getcpu() implemented. So we create a wrapper +to getcpu syscall when compiling for uclibc. + +So far execinfo.h does not exist on uclibc but it turns out to be that +this header is not needed even in eglibc case so it can be removed + +Signed-off-by: Khem Raj <raj.khem@gmail.com> + +Upstream-status: Pending + +Index: ust-0.12/libust/tracer.h +=================================================================== +--- ust-0.12.orig/libust/tracer.h ++++ ust-0.12/libust/tracer.h +@@ -342,14 +342,22 @@ static __inline__ void ltt_write_trace_h + header->start_freq = trace->start_freq; + header->freq_scale = trace->freq_scale; + } +- ++#ifdef __UCLIBC__ ++#define sched_getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache) ++#endif + #ifndef UST_VALGRIND + + static __inline__ int ust_get_cpu(void) + { + int cpu; + ++#ifdef __UCLIBC__ ++ int c, s; ++ s = syscall(__NR_getcpu, &c, NULL, NULL); ++ cpu = (s == -1) ? s : c; ++#else + cpu = sched_getcpu(); ++#endif + if (likely(cpu >= 0)) + return cpu; + /* +Index: ust-0.12/libustcomm/ustcomm.c +=================================================================== +--- ust-0.12.orig/libustcomm/ustcomm.c ++++ ust-0.12/libustcomm/ustcomm.c +@@ -31,7 +31,6 @@ + #include <stdio.h> + #include <stdlib.h> + #include <string.h> +-#include <execinfo.h> + + #include "ustcomm.h" + #include "usterr.h" |