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| author | Gary Benson <gbenson@redhat.com> | 2016-01-18 09:45:10 +0000 |
|---|---|---|
| committer | Gary Benson <gbenson@redhat.com> | 2016-01-18 11:39:42 +0000 |
| commit | eb0edac83f82516bbbd5a0412bbdf7fd27c687f2 (patch) | |
| tree | e1e7a87000a8f625cf64fa551df6ed2305394313 /gdb/nat | |
| parent | 760f6ee894c5f473777c7ff5ebe5a04b25651ce4 (diff) | |
| download | fsf-binutils-gdb-eb0edac83f82516bbbd5a0412bbdf7fd27c687f2.zip fsf-binutils-gdb-eb0edac83f82516bbbd5a0412bbdf7fd27c687f2.tar.gz fsf-binutils-gdb-eb0edac83f82516bbbd5a0412bbdf7fd27c687f2.tar.bz2 | |
Fix gdbserver build failure on targets without fork
This commit fixes nat/linux-namespaces.c to build correctly on
targets without fork.
gdb/ChangeLog:
* nat/linux-namespaces.c (do_fork): New function.
(linux_mntns_get_helper): Use the above.
gdb/gdbserver/ChangeLog:
* configure.ac (AC_FUNC_FORK): New check.
* config.in: Regenerate.
* configure: Likewise.
Diffstat (limited to 'gdb/nat')
| -rw-r--r-- | gdb/nat/linux-namespaces.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gdb/nat/linux-namespaces.c b/gdb/nat/linux-namespaces.c index fb1467c..e9626ab 100644 --- a/gdb/nat/linux-namespaces.c +++ b/gdb/nat/linux-namespaces.c @@ -32,6 +32,19 @@ /* See nat/linux-namespaces.h. */ int debug_linux_namespaces; +/* Handle systems without fork. */ + +static inline pid_t +do_fork (void) +{ +#ifdef HAVE_FORK + return fork (); +#else + errno = ENOSYS; + return -1; +#endif +} + /* Handle systems without setns. */ static inline int @@ -644,7 +657,7 @@ linux_mntns_get_helper (void) if (gdb_socketpair_cloexec (AF_UNIX, SOCK_STREAM, 0, sv) < 0) return NULL; - h.pid = fork (); + h.pid = do_fork (); if (h.pid < 0) { int saved_errno = errno; |