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#ifndef NUMEXPR_MODULE_HPP
#define NUMEXPR_MODULE_HPP
// Deal with the clunky numpy import mechanism
// by inverting the logic of the NO_IMPORT_ARRAY symbol.
#define PY_ARRAY_UNIQUE_SYMBOL numexpr_ARRAY_API
#ifndef DO_NUMPY_IMPORT_ARRAY
# define NO_IMPORT_ARRAY
#endif
#define NPY_NO_DEPRECATED_API NPY_API_VERSION
#include <Python.h>
#include <numpy/ndarrayobject.h>
#include <numpy/arrayscalars.h>
#include "numexpr_config.hpp"
struct global_state {
/* Global variables for threads */
int nthreads; /* number of desired threads in pool */
int init_threads_done; /* pool of threads initialized? */
int end_threads; /* should exisiting threads end? */
// pthread_t threads[MAX_THREADS]; /* opaque structure for threads */
// int tids[MAX_THREADS]; /* ID per each thread */
/* NOTE: threads and tids are arrays, they MUST be allocated to length
`global_max_threads` before module load. */
pthread_t *threads; /* opaque structure for threads */
int *tids; /* ID per each thread */
npy_intp gindex; /* global index for all threads */
int init_sentinels_done; /* sentinels initialized? */
int giveup; /* should parallel code giveup? */
int force_serial; /* force serial code instead of parallel? */
int pid; /* the PID for this process */
/* Synchronization variables for threadpool state */
pthread_mutex_t count_mutex;
int count_threads;
int barrier_passed; /* indicates if the thread pool's thread barrier
is unlocked and ready for the VM to process.*/
pthread_mutex_t count_threads_mutex;
pthread_cond_t count_threads_cv;
/* Mutual exclusion for access to global thread params (th_params) */
pthread_mutex_t parallel_mutex;
global_state() {
nthreads = 1;
init_threads_done = 0;
barrier_passed = 0;
end_threads = 0;
pid = 0;
}
};
extern global_state gs;
int numexpr_set_nthreads(int nthreads_new);
#endif // NUMEXPR_MODULE_HPP
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