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renamed: 

src/libposix.ss => src/ikarus.posix.ss
This commit is contained in:
Abdulaziz Ghuloum 2007-05-05 22:14:06 -04:00
parent 2a1713ef81
commit 3315abba4b
4 changed files with 115 additions and 113 deletions
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BIN
src/ikarus.boot
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114
src/ikarus.posix.ss Normal file
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@ -0,0 +1,114 @@
(library (ikarus posix)
(export posix-fork fork waitpid system file-exists? delete-file
env environ)
(import
(except (ikarus)
posix-fork fork waitpid system file-exists? delete-file
env environ))
(define posix-fork
(lambda ()
(foreign-call "ikrt_fork")))
(define fork
(lambda (parent-proc child-proc)
(let ([pid (posix-fork)])
(cond
[(fx= pid 0) (child-proc)]
[(fx= pid -1)
(error 'fork "failed")]
[else (parent-proc pid)]))))
(define waitpid
(lambda (pid)
(unless (fixnum? pid)
(error 'waitpid "~s is not a fixnum" pid))
(foreign-call "ikrt_waitpid" pid)))
(define system
(lambda (x)
(unless (string? x)
(error 'system "~s is not a string" x))
(let ([rv (foreign-call "ik_system" x)])
(if (fx= rv -1)
(error 'system "failed")
rv))))
(define file-exists?
(lambda (x)
(unless (string? x)
(error 'file-exists? "filename ~s is not a string" x))
(let ([v (foreign-call "ikrt_file_exists" x)])
(cond
[(boolean? v) v]
[else
(error 'file-exists?
(case v
[(1) "the path ~s contains a non-directory"]
[(2) "the path ~s is too long"]
[(3) "the path ~s is not accessible"]
[(4) "the path ~s contains too many symbolic links"]
[(5) "internal access error while accessing ~s"]
[(6) "IO error encountered while accessing ~s"]
[else "Unknown error in ~s"])
x)]))))
(define delete-file
(lambda (x)
(unless (string? x)
(error 'delete-file "filename ~s is not a string" x))
(let ([v (foreign-call "ikrt_delete_file" x)])
(case v
[(0) (void)]
[else
(error 'delete-file
(case v
[(1) "the path ~s contains a non-directory"]
[(2) "the path ~s is too long"]
[(3) "the file ~s does not exist"]
[(4) "the path ~s is not accessible"]
[(5) "the path ~s contains too many symbolic links"]
[(6) "you do not have permissions to delete ~s"]
[(7) "device ~s is busy"]
[(8) "IO error encountered while deleting ~s"]
[(9) "~s is in a read-only file system"]
[(10) "internal access error while deleting ~s"]
[else "Unknown error while deleting ~s"])
x)]))))
(define env
(let ()
(define env
(case-lambda
[(key)
(if (string? key)
(foreign-call "ikrt_getenv" key)
(error 'env "the key: ~s is not a string" key))]
[(key val) (env key val #t)]
[(key val overwrite?)
(if (string? key)
(if (string? val)
(unless (foreign-call "ikrt_setenv" key val overwrite?)
(error 'env "failed to set ~s to ~s" key val))
(error 'env "the value: ~s is not a string" val))
(error 'env "the key: ~s is not a string" key))]))
env))
(define environ
(lambda ()
(map
(lambda (s)
(define (loc= s i n)
(cond
[(fx= i n) i]
[(char=? (string-ref s i) #\=) i]
[else (loc= s (fx+ i 1) n)]))
(let ([n (string-length s)])
(let ([i (loc= s 0 n)])
(cons (substring s 0 i)
(if (fx< (fxadd1 i) n)
(substring s (fxadd1 i) n)
"")))))
(foreign-call "ikrt_environ"))))
)

112
src/libposix.ss
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@ -1,112 +0,0 @@
(library (ikarus posix)
(export)
(import (scheme))
(define ikarus-posix-fork
(lambda ()
(foreign-call "ikrt_fork")))
(primitive-set! 'posix-fork ikarus-posix-fork)
(primitive-set! 'fork
(lambda (parent-proc child-proc)
(let ([pid (ikarus-posix-fork)])
(cond
[(fx= pid 0) (child-proc)]
[(fx= pid -1)
(error 'fork "failed")]
[else (parent-proc pid)]))))
(primitive-set! 'waitpid
(lambda (pid)
(unless (fixnum? pid)
(error 'waitpid "~s is not a fixnum" pid))
(foreign-call "ikrt_waitpid" pid)))
(primitive-set! 'system
(lambda (x)
(unless (string? x)
(error 'system "~s is not a string" x))
(let ([rv (foreign-call "ik_system" x)])
(if (fx= rv -1)
(error 'system "failed")
rv))))
(primitive-set! 'file-exists?
(lambda (x)
(unless (string? x)
(error 'file-exists? "filename ~s is not a string" x))
(let ([v (foreign-call "ikrt_file_exists" x)])
(cond
[(boolean? v) v]
[else
(error 'file-exists?
(case v
[(1) "the path ~s contains a non-directory"]
[(2) "the path ~s is too long"]
[(3) "the path ~s is not accessible"]
[(4) "the path ~s contains too many symbolic links"]
[(5) "internal access error while accessing ~s"]
[(6) "IO error encountered while accessing ~s"]
[else "Unknown error in ~s"])
x)]))))
(primitive-set! 'delete-file
(lambda (x)
(unless (string? x)
(error 'delete-file "filename ~s is not a string" x))
(let ([v (foreign-call "ikrt_delete_file" x)])
(case v
[(0) (void)]
[else
(error 'delete-file
(case v
[(1) "the path ~s contains a non-directory"]
[(2) "the path ~s is too long"]
[(3) "the file ~s does not exist"]
[(4) "the path ~s is not accessible"]
[(5) "the path ~s contains too many symbolic links"]
[(6) "you do not have permissions to delete ~s"]
[(7) "device ~s is busy"]
[(8) "IO error encountered while deleting ~s"]
[(9) "~s is in a read-only file system"]
[(10) "internal access error while deleting ~s"]
[else "Unknown error while deleting ~s"])
x)]))))
(primitive-set! 'env
(let ()
(define env
(case-lambda
[(key)
(if (string? key)
(foreign-call "ikrt_getenv" key)
(error 'env "the key: ~s is not a string" key))]
[(key val) (env key val #t)]
[(key val overwrite?)
(if (string? key)
(if (string? val)
(unless (foreign-call "ikrt_setenv" key val overwrite?)
(error 'env "failed to set ~s to ~s" key val))
(error 'env "the value: ~s is not a string" val))
(error 'env "the key: ~s is not a string" key))]))
env))
(primitive-set! 'environ
(lambda ()
(map
(lambda (s)
(define (loc= s i n)
(cond
[(fx= i n) i]
[(char=? (string-ref s i) #\=) i]
[else (loc= s (fx+ i 1) n)]))
(let ([n (string-length s)])
(let ([i (loc= s 0 n)])
(cons (substring s 0 i)
(if (fx< (fxadd1 i) n)
(substring s (fxadd1 i) n)
"")))))
(foreign-call "ikrt_environ"))))
)

2
src/makefile.ss
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@ -57,7 +57,7 @@
"ikarus.syntax.ss"
"ikarus.pretty-print.ss"
"ikarus.cafe.ss"
"libposix.ss"
"ikarus.posix.ss"
"libtimers.ss"
"library-manager.ss"
"libtoplevel.ss"))