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Add :pipe to os/spawn for piping to subprocess.

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Similar to Python's subprocess.PIPE, this creates and manages pipes
automatically for the caller.
This commit is contained in:
Calvin Rose
2020-09-12 19:48:12 -05:00
parent 8763df1cd0
commit d3147b661b
3 changed files with 94 additions and 9 deletions
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10
src/include/janet.h
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@@ -310,6 +310,15 @@ JANET_API extern const char *const janet_type_names[16];
JANET_API extern const char *const janet_signal_names[14];
JANET_API extern const char *const janet_status_names[16];
/* For various IO routines, we want to use an int on posix and HANDLE on windows */
#ifdef JANET_WINDOWS
typedef void *JanetHandle;
#define JANET_HANDLE_NONE NULL
#else
typedef int JanetHandle;
#define JANET_HANDLE_NONE (-1)
#endif
/* Fiber signals */
typedef enum {
JANET_SIGNAL_OK,
@@ -1560,6 +1569,7 @@ extern JANET_API const JanetAbstractType janet_file_type;
#define JANET_FILE_NONIL 512
JANET_API Janet janet_makefile(FILE *f, int32_t flags);
JANET_API JanetFile *janet_makejfile(FILE *f, int32_t flags);
JANET_API FILE *janet_getfile(const Janet *argv, int32_t n, int32_t *flags);
JANET_API FILE *janet_dynfile(const char *name, FILE *def);
JANET_API JanetFile *janet_getjfile(const Janet *argv, int32_t n);