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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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|
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#include <sys/types.h> |
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#include <unistd.h> |
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#include <sched.h> |
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|
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#define STACKSIZE 128 /* yeah */ |
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|
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#define REQ_EXIT 0 |
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#define REQ_READ 1 |
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#define REQ_WRITE 2 |
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|
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typedef struct { |
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char stack[STACKSIZE]; |
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} aio_thread; |
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|
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typedef struct { |
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int type; |
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aio_thread *thread; |
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|
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/* read/write */ |
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int fd; |
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off_t offset; |
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size_t length; |
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ssize_t done; |
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int errorno; |
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|
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SV *data; |
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void *dataptr; |
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STRLEN offset; |
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} aio_cb; |
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|
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typedef aio_cb *aio_req; |
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|
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static int started; |
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static int reqpipe[2], respipe[2]; |
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|
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static void |
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start_thread(void) |
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{ |
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aio_thread *thr = NEW ( |
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__clone (aio_proc, |
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} |
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|
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static void |
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end_thread(void) |
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{ |
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aio_req req = 0; |
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write (reqpipe[1], &req, sizeof (aio_req)); |
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nthreads--; |
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} |
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|
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MODULE = Linux::AIO PACKAGE = Linux::AIO |
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|
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BOOT: |
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{ |
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if (pipe (reqpipe) || pipe (respipe)) |
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croak ("unable to initialize request or result pipe"); |
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} |
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|
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void |
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min_parallel(nthreads) |
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int nthreads |
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CODE: |
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while (nthreads > started) |
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start_thread (); |
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|
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void |
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max_parallel(nthreads) |
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int nthreads |
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CODE: |
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while (started > nthreads) |
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end_thread (); |
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|
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void |
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read(fh,offset,length,data,dataoffset,callback) |
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CODE: |
