summaryrefslogtreecommitdiff
path: root/support/sdbinutils/libiberty/waitpid.c
diff options
context:
space:
mode:
authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /support/sdbinutils/libiberty/waitpid.c
downloadsdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'support/sdbinutils/libiberty/waitpid.c')
-rw-r--r--support/sdbinutils/libiberty/waitpid.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/support/sdbinutils/libiberty/waitpid.c b/support/sdbinutils/libiberty/waitpid.c
new file mode 100644
index 0000000..c0e9c3e
--- /dev/null
+++ b/support/sdbinutils/libiberty/waitpid.c
@@ -0,0 +1,40 @@
+/*
+
+@deftypefn Supplemental int waitpid (int @var{pid}, int *@var{status}, int)
+
+This is a wrapper around the @code{wait} function. Any ``special''
+values of @var{pid} depend on your implementation of @code{wait}, as
+does the return value. The third argument is unused in @libib{}.
+
+@end deftypefn
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "ansidecl.h"
+
+/* On some systems (such as WindISS), you must include <sys/types.h>
+ to get the definition of "pid_t" before you include <sys/wait.h>. */
+#include <sys/types.h>
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+#ifdef __MINGW32__
+#include <process.h>
+#define wait(s) _cwait(s,pid,_WAIT_CHILD)
+#endif
+
+pid_t
+waitpid (pid_t pid, int *stat_loc, int options ATTRIBUTE_UNUSED)
+{
+ for (;;)
+ {
+ int wpid = wait(stat_loc);
+ if (wpid == pid || wpid == -1)
+ return wpid;
+ }
+}