xnu-792.6.76.tar.gz

[apple/xnu.git] / bsd / sys / syslimits.h

diff --git a/bsd/sys/syslimits.h b/bsd/sys/syslimits.h
index a43c854a1a5c1cf133aa1100ccf646b49e75c8e2..187fd0791eb5d51763ac20e18c56e22760fcb54f 100644 (file)
--- a/bsd/sys/syslimits.h
+++ b/bsd/sys/syslimits.h
@@ -60,7 +60,11 @@
 #define _SYS_SYSLIMITS_H_
 
 #if !defined(_ANSI_SOURCE)
-#define        ARG_MAX            (64 * 1024)  /* max bytes for an exec function */
+/*
+ * Note: CHILD_MAX *must* be less than hard_maxproc, which is set at
+ * compile time; you *cannot* set it higher than the hard limit!!
+ */
+#define        ARG_MAX            (256 * 1024) /* max bytes for an exec function */
 #define        CHILD_MAX                  100  /* max simultaneous processes */
 #define        GID_MAX            2147483647U  /* max value for a gid_t (2^31-2) */
 #define        LINK_MAX                32767   /* max file link count */
@@ -73,10 +77,10 @@
 #define        PATH_MAX                 1024   /* max bytes in pathname */
 #define        PIPE_BUF                  512   /* max bytes for atomic pipe writes */
 
-#define        BC_BASE_MAX           INT_MAX   /* max ibase/obase values in bc(1) */
-#define        BC_DIM_MAX              65535   /* max array elements in bc(1) */
-#define        BC_SCALE_MAX          INT_MAX   /* max scale value in bc(1) */
-#define        BC_STRING_MAX         INT_MAX   /* max const string length in bc(1) */
+#define        BC_BASE_MAX                99   /* max ibase/obase values in bc(1) */
+#define        BC_DIM_MAX               2048   /* max array elements in bc(1) */
+#define        BC_SCALE_MAX               99   /* max scale value in bc(1) */
+#define        BC_STRING_MAX            1000   /* max const string length in bc(1) */
 #define        COLL_WEIGHTS_MAX            2   /* max weights for order keyword */
 #define        EQUIV_CLASS_MAX             2
 #define        EXPR_NEST_MAX              32   /* max expressions nested in expr(1) */