libspe2  0.9a
Functions
create.h File Reference
#include "spebase.h"
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Functions

int _base_spe_open_if_closed (struct spe_context *spe, enum fd_name fdesc, int locked)
 
void _base_spe_close_if_open (struct spe_context *spe, enum fd_name fdesc)
 

Function Documentation

void _base_spe_close_if_open ( struct spe_context spe,
enum fd_name  fdesc 
)

Definition at line 125 of file create.c.

References _base_spe_context_lock(), _base_spe_context_unlock(), spe_context::base_private, spe_context_base_priv::spe_fds_array, and spe_context_base_priv::spe_fds_refcount.

Referenced by __base_spe_event_source_release(), and _base_spe_signal_write().

126 {
127  _base_spe_context_lock(spe, fdesc);
128 
129  if (spe->base_private->spe_fds_array[(int)fdesc] != -1 &&
130  spe->base_private->spe_fds_refcount[(int)fdesc] == 1) {
131 
132  spe->base_private->spe_fds_refcount[(int)fdesc]--;
133  close(spe->base_private->spe_fds_array[(int)fdesc]);
134 
135  spe->base_private->spe_fds_array[(int)fdesc] = -1;
136  } else if (spe->base_private->spe_fds_refcount[(int)fdesc] > 0) {
137  spe->base_private->spe_fds_refcount[(int)fdesc]--;
138  }
139 
140  _base_spe_context_unlock(spe, fdesc);
141 }

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int _base_spe_open_if_closed ( struct spe_context spe,
enum fd_name  fdesc,
int  locked 
)

Definition at line 101 of file create.c.

References _base_spe_context_lock(), _base_spe_context_unlock(), spe_context::base_private, spe_context_base_priv::fd_spe_dir, fd_attr::mode, fd_attr::name, spe_context_base_priv::spe_fds_array, and spe_context_base_priv::spe_fds_refcount.

Referenced by __base_spe_event_source_acquire(), _base_spe_in_mbox_status(), _base_spe_in_mbox_write(), _base_spe_mssync_start(), _base_spe_mssync_status(), _base_spe_out_intr_mbox_read(), _base_spe_out_intr_mbox_status(), _base_spe_out_mbox_read(), _base_spe_out_mbox_status(), and _base_spe_signal_write().

102 {
103  if (!locked)
104  _base_spe_context_lock(spe, fdesc);
105 
106  /* already open? */
107  if (spe->base_private->spe_fds_array[fdesc] != -1) {
108  spe->base_private->spe_fds_refcount[fdesc]++;
109  } else {
110  spe->base_private->spe_fds_array[fdesc] =
111  openat(spe->base_private->fd_spe_dir,
112  spe_fd_attr[fdesc].name,
113  spe_fd_attr[fdesc].mode);
114 
115  if (spe->base_private->spe_fds_array[(int)fdesc] > 0)
116  spe->base_private->spe_fds_refcount[(int)fdesc]++;
117  }
118 
119  if (!locked)
120  _base_spe_context_unlock(spe, fdesc);
121 
122  return spe->base_private->spe_fds_array[(int)fdesc];
123 }

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