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internal/process.h rework

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Eliminated the macro to convert into an inline function.
This commit is contained in:
卜部昌平 2019-12-04 12:30:06 +09:00
parent c524df0780
commit 719efe72b0
Notes: git 2019-12-26 20:45:58 +09:00 
Merged: https://github.com/ruby/ruby/pull/2711
1 changed files with 38 additions and 17 deletions
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55
internal/process.h
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@ -9,8 +9,20 @@
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
*/
#include "ruby/config.h" /* for rb_pid_t */
#include <stddef.h> /* for size_t */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h> /* for mode_t */
#endif
#ifdef _WIN32
# include "ruby/win32.h" /* for mode_t */
#endif
#include "ruby/ruby.h" /* for VALUE */
#include "internal/imemo.h" /* for RB_IMEMO_TMPBUF_PTR */
/* process.c */
#define RB_MAX_GROUPS (65536)
struct waitpid_state;
@ -60,24 +72,11 @@ struct rb_execarg {
VALUE chdir_dir;
};
/* argv_str contains extra two elements.
* The beginning one is for /bin/sh used by exec_with_sh.
* The last one for terminating NULL used by execve.
* See rb_exec_fillarg() in process.c. */
#define ARGVSTR2ARGV(argv_str) ((char **)RB_IMEMO_TMPBUF_PTR(argv_str) + 1)
static inline size_t
ARGVSTR2ARGC(VALUE argv_str)
{
size_t i = 0;
char *const *p = ARGVSTR2ARGV(argv_str);
while (p[i++])
;
return i - 1;
}
/* process.c */
rb_pid_t rb_fork_ruby(int *status);
void rb_last_status_clear(void);
static inline char **ARGVSTR2ARGV(VALUE argv_str);
static inline size_t ARGVSTR2ARGC(VALUE argv_str);
RUBY_SYMBOL_EXPORT_BEGIN
/* process.c (export) */
@ -92,4 +91,26 @@ int rb_execarg_run_options(const struct rb_execarg *e, struct rb_execarg *s, cha
VALUE rb_execarg_extract_options(VALUE execarg_obj, VALUE opthash);
void rb_execarg_setenv(VALUE execarg_obj, VALUE env);
RUBY_SYMBOL_EXPORT_END
/* argv_str contains extra two elements.
* The beginning one is for /bin/sh used by exec_with_sh.
* The last one for terminating NULL used by execve.
* See rb_exec_fillarg() in process.c. */
static inline char **
ARGVSTR2ARGV(VALUE argv_str)
{
char **buf = RB_IMEMO_TMPBUF_PTR(argv_str);
return &buf[1];
}
static inline size_t
ARGVSTR2ARGC(VALUE argv_str)
{
size_t i = 0;
char *const *p = ARGVSTR2ARGV(argv_str);
while (p[i++])
;
return i - 1;
}
#endif /* INTERNAL_PROCESS_H */