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libiberty: Fix pex_unix_wait return type

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The recent warning patches broke Solaris bootstrap:

/vol/gcc/src/hg/master/local/libiberty/pex-unix.c:326:3: error: initialization of 'pid_t (*)(struct pex_obj *, pid_t,  int *, struct pex_time *, int,  const char **, int *)' {aka 'long int (*)(struct pex_obj *, long int,  int *, struct pex_time *, int,  const char **, int *)'} from incompatible pointer type 'int (*)(struct pex_obj *, pid_t,  int *, struct pex_time *, int,  const char **, int *)' {aka 'int (*)(struct pex_obj *, long int,  int *, struct pex_time *, int,  const char **, int *)'} [-Wincompatible-pointer-types]
  326 |   pex_unix_wait,
      |   ^~~~~~~~~~~~~
/vol/gcc/src/hg/master/local/libiberty/pex-unix.c:326:3: note: (near initialization for 'funcs.wait')

While pex_funcs.wait expects a function returning pid_t, pex_unix_wait
currently returns int.  However, on Solaris pid_t is long for 32-bit,
but int for 64-bit.

This patches fixes this by having pex_unix_wait return pid_t as
expected, and like every other variant already does.

Bootstrapped without regressions on i386-pc-solaris2.11,
sparc-sun-solaris2.11, x86_64-pc-linux-gnu, and
x86_64-apple-darwin23.1.0.

2023-12-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	libiberty:
	* pex-unix.c (pex_unix_wait): Change return type to pid_t.
This commit is contained in:
Rainer Orth 2023-12-05 11:04:06 +01:00
parent 414d795d8a
commit 691858d279
1 changed files with 3 additions and 3 deletions
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6
libiberty/pex-unix.c
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@ -308,8 +308,8 @@ static pid_t pex_unix_exec_child (struct pex_obj *, int, const char *,
int, int, int, int,
const char **, int *);
static int pex_unix_close (struct pex_obj *, int);
static int pex_unix_wait (struct pex_obj *, pid_t, int *, struct pex_time *,
int, const char **, int *);
static pid_t pex_unix_wait (struct pex_obj *, pid_t, int *, struct pex_time *,
int, const char **, int *);
static int pex_unix_pipe (struct pex_obj *, int *, int);
static FILE *pex_unix_fdopenr (struct pex_obj *, int, int);
static FILE *pex_unix_fdopenw (struct pex_obj *, int, int);
@ -934,7 +934,7 @@ pex_unix_exec_child (struct pex_obj *obj, int flags, const char *executable,
/* Wait for a child process to complete. */
static int
static pid_t
pex_unix_wait (struct pex_obj *obj, pid_t pid, int *status,
struct pex_time *time, int done, const char **errmsg,
int *err)