version 1.1.2.3, 2013/12/05 13:22:10
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version 1.1.2.9, 2013/12/05 23:09:00
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Line 28 io_progInit(const char *progName, u_int initNum, u_int
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Line 28 io_progInit(const char *progName, u_int initNum, u_int
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prg->prog_maxn = maxNum; |
prg->prog_maxn = maxNum; |
strlcpy(prg->prog_name, progName, sizeof prg->prog_name); |
strlcpy(prg->prog_name, progName, sizeof prg->prog_name); |
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prg->prog_used = e_malloc(E_ALIGN(prg->prog_maxn, sizeof *prg->prog_used) / |
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sizeof *prg->prog_used); |
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if (!prg->prog_used) { |
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io_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
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e_free(prg); |
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return NULL; |
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} |
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prg->prog_fds = array_Init(prg->prog_maxn); |
prg->prog_fds = array_Init(prg->prog_maxn); |
if (!prg->prog_fds) { |
if (!prg->prog_fds) { |
io_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
io_SetErr(elwix_GetErrno(), "%s", elwix_GetError()); |
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e_free(prg->prog_used); |
e_free(prg); |
e_free(prg); |
return NULL; |
return NULL; |
} |
} |
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pthread_mutex_init(&prg->prog_mtx, NULL); |
pthread_mutex_init(&prg->prog_mtx, NULL); |
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if (io_progOpen(prg, prg->prog_inin) < 0) | if (io_progOpen(prg, prg->prog_inin) < 0) { |
io_progDestroy(&prg); |
io_progDestroy(&prg); |
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prg = NULL; |
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} |
return prg; |
return prg; |
} |
} |
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Line 56 io_progDestroy(prog_t ** __restrict pprg)
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Line 67 io_progDestroy(prog_t ** __restrict pprg)
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io_progClose(*pprg, 0); |
io_progClose(*pprg, 0); |
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e_free((*pprg)->prog_used); |
array_Destroy(&(*pprg)->prog_fds); |
array_Destroy(&(*pprg)->prog_fds); |
pthread_mutex_destroy(&(*pprg)->prog_mtx); |
pthread_mutex_destroy(&(*pprg)->prog_mtx); |
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Line 87 io_progClose(prog_t * __restrict prg, u_int closeNum)
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Line 99 io_progClose(prog_t * __restrict prg, u_int closeNum)
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for (i = array_Size(prg->prog_fds) - 1; |
for (i = array_Size(prg->prog_fds) - 1; |
(closeNum ? ret < closeNum : 42) && i > -1; i--) |
(closeNum ? ret < closeNum : 42) && i > -1; i--) |
if (array_Get(prg->prog_fds, i)) { |
if (array_Get(prg->prog_fds, i)) { |
pclose(array(prg->prog_fds, i, FILE*)); | e_pclose(array(prg->prog_fds, i, FILE*)); |
array_Del(prg->prog_fds, i, 0); |
array_Del(prg->prog_fds, i, 0); |
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clrbit(prg->prog_used, i); |
prg->prog_cnum--; |
prg->prog_cnum--; |
ret++; |
ret++; |
} |
} |
Line 108 int
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Line 121 int
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io_progOpen(prog_t * __restrict prg, u_int execNum) |
io_progOpen(prog_t * __restrict prg, u_int execNum) |
{ |
{ |
FILE *f; |
FILE *f; |
int ret = 0; | int stat, ret = 0; |
register int i; |
register int i; |
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pid_t pid; |
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if (!prg) |
if (!prg) |
return 0; |
return 0; |
if (execNum > prg->prog_maxn) { | if (prg->prog_cnum + execNum > prg->prog_maxn) { |
io_SetErr(EINVAL, "Requested number for program execution is over pool's limit"); |
io_SetErr(EINVAL, "Requested number for program execution is over pool's limit"); |
return 0; |
return 0; |
} |
} |
Line 121 io_progOpen(prog_t * __restrict prg, u_int execNum)
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Line 135 io_progOpen(prog_t * __restrict prg, u_int execNum)
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pthread_mutex_lock(&prg->prog_mtx); |
pthread_mutex_lock(&prg->prog_mtx); |
for (i = 0; (execNum ? ret < execNum : 42) && i < array_Size(prg->prog_fds); i++) |
for (i = 0; (execNum ? ret < execNum : 42) && i < array_Size(prg->prog_fds); i++) |
if (!array_Get(prg->prog_fds, i)) { |
if (!array_Get(prg->prog_fds, i)) { |
f = popen(prg->prog_name, "r+"); | f = e_popen(prg->prog_name, "r+", &pid); |
if (!f) { |
if (!f) { |
LOGERR; |
LOGERR; |
ret *= -1; | ret = -1; |
break; |
break; |
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} else if (waitpid(pid, &stat, WNOHANG)) { |
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io_SetErr(ECHILD, "Program with pid=%d exit with status %d", |
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pid, WIFEXITED(stat) ? WEXITSTATUS(stat) : -1); |
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ret = -1; |
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break; |
} else |
} else |
array_Set(prg->prog_fds, i, f); |
array_Set(prg->prog_fds, i, f); |
prg->prog_cnum++; |
prg->prog_cnum++; |
Line 137 io_progOpen(prog_t * __restrict prg, u_int execNum)
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Line 156 io_progOpen(prog_t * __restrict prg, u_int execNum)
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} |
} |
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/* |
/* |
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* io_progGrow() - Execute to number of programs in pool |
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* |
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* @prg = program pool |
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* @toNum = execute to number of programs (0 max) |
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* return: 0 error, >0 executed programs and abs(<0) executed programs with logged error |
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*/ |
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int |
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io_progGrow(prog_t * __restrict prg, u_int toNum) |
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{ |
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if (!prg) |
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return 0; |
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if (toNum > prg->prog_maxn) { |
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io_SetErr(EINVAL, "Requested number for program execution is over pool's limit"); |
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return 0; |
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} |
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if (!toNum) |
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toNum = prg->prog_maxn; |
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return io_progOpen(prg, toNum - prg->prog_cnum); |
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} |
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/* |
* io_progVacuum() - Vacuum pool to running number of programs |
* io_progVacuum() - Vacuum pool to running number of programs |
* |
* |
* @prg = program pool |
* @prg = program pool |
Line 160 io_progVacuum(prog_t * __restrict prg, u_int toNum)
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Line 201 io_progVacuum(prog_t * __restrict prg, u_int toNum)
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pthread_mutex_lock(&prg->prog_mtx); |
pthread_mutex_lock(&prg->prog_mtx); |
for (i = array_Size(prg->prog_fds) - 1; prg->prog_cnum > toNum && i > -1; i--) |
for (i = array_Size(prg->prog_fds) - 1; prg->prog_cnum > toNum && i > -1; i--) |
if (array_Get(prg->prog_fds, i)) { | if (array_Get(prg->prog_fds, i) && isset(prg->prog_used, i)) { |
pclose(array(prg->prog_fds, i, FILE*)); | e_pclose(array(prg->prog_fds, i, FILE*)); |
array_Del(prg->prog_fds, i, 0); |
array_Del(prg->prog_fds, i, 0); |
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clrbit(prg->prog_used, i); |
prg->prog_cnum--; |
prg->prog_cnum--; |
ret++; |
ret++; |
} |
} |
pthread_mutex_unlock(&prg->prog_mtx); |
pthread_mutex_unlock(&prg->prog_mtx); |
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return ret; |
return ret; |
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} |
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/* |
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* io_progCheck() - Check exit status of program pool |
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* |
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* @prg = program pool |
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* return: -1 error or >-1 exited programs |
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*/ |
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int |
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io_progCheck(prog_t * __restrict prg) |
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{ |
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int ret = 0; |
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struct tagPIOPID *p; |
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register int i; |
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if (!prg) |
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return -1; |
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pthread_mutex_lock(&prg->prog_mtx); |
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for (i = 0; i < array_Size(prg->prog_fds); i++) |
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if (array_Get(prg->prog_fds, i) && |
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(p = pio_pgetpid(array(prg->prog_fds, i, FILE*)))) |
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if (waitpid(p->pid, &p->stat, WNOHANG) > 0) { |
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clrbit(prg->prog_used, i); |
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ret++; |
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} |
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pthread_mutex_unlock(&prg->prog_mtx); |
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return ret; |
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} |
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/* |
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* io_progAttach() - Attach to open program |
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* |
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* @prg = program pool |
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* return: NULL error or !=NULL attached program handle |
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*/ |
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FILE * |
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io_progAttach(prog_t * __restrict prg) |
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{ |
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FILE *f = NULL; |
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register int i; |
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if (!prg) |
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return NULL; |
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pthread_mutex_lock(&prg->prog_mtx); |
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for (i = 0; i < array_Size(prg->prog_fds); i++) |
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if (array_Get(prg->prog_fds, i) && isclr(prg->prog_used, i)) { |
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setbit(prg->prog_used, i); |
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f = array(prg->prog_fds, i, FILE*); |
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break; |
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} |
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pthread_mutex_unlock(&prg->prog_mtx); |
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return f; |
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} |
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/* |
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* io_progDetach() - Detch from open program |
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* |
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* @prg= program pool |
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* @pfd = attached program handle |
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* return: none |
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*/ |
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void |
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io_progDetach(prog_t * __restrict prg, FILE *pfd) |
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{ |
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register int i; |
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if (!prg || !pfd) |
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return; |
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pthread_mutex_lock(&prg->prog_mtx); |
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for (i = 0; i < array_Size(prg->prog_fds); i++) |
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if (array(prg->prog_fds, i, FILE*) == pfd) { |
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clrbit(prg->prog_used, i); |
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break; |
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} |
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pthread_mutex_unlock(&prg->prog_mtx); |
} |
} |