diff options
Diffstat (limited to 'Src/zsh.h')
| -rw-r--r-- | Src/zsh.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Src/zsh.h b/Src/zsh.h index 0434fdb5e..b0ca94e09 100644 --- a/Src/zsh.h +++ b/Src/zsh.h @@ -254,6 +254,32 @@ enum { #define IS_READFD(X) (((X)>=REDIR_READWRITE && (X)<=REDIR_MERGEIN) || (X)==REDIR_INPIPE) #define IS_REDIROP(X) ((X)>=OUTANG && (X)<=TRINANG) +/* + * Values for the fdtable array. They say under what circumstances + * the fd will be close. The fdtable is an unsigned char, so these are + * #define's rather than an enum. + */ +/* Entry not used. */ +#define FDT_UNUSED 0 +/* + * Entry used internally by the shell, should not be visible to other + * processes. + */ +#define FDT_INTERNAL 1 +/* + * Entry used by output from the XTRACE option. + */ +#define FDT_XTRACE 2 +#ifdef PATH_DEV_FD +/* + * Entry used by a process substition. + * The value will be incremented on entering a function and + * decremented on exit; we don't close entries greater than + * FDT_PROC_SUBST except when closing everything. + */ +#define FDT_PROC_SUBST 3 +#endif + /* Flags for input stack */ #define INP_FREE (1<<0) /* current buffer can be free'd */ #define INP_ALIAS (1<<1) /* expanding alias or history */ |