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Diffstat (limited to 'contrib/gcclibs/libiberty/waitpid.c')
-rw-r--r-- | contrib/gcclibs/libiberty/waitpid.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/gcclibs/libiberty/waitpid.c b/contrib/gcclibs/libiberty/waitpid.c new file mode 100644 index 0000000..fd519d7 --- /dev/null +++ b/contrib/gcclibs/libiberty/waitpid.c @@ -0,0 +1,35 @@ +/* + +@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 + +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; + } +} |