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pipepriv.c [160b75e:79ae36dd] in mainline

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r160b75e	r79ae36dd
44	44	void pipe_start_transaction(usb_pipe_t *pipe)
45	45	{
46		fibril_mutex_lock(&pipe->hc_~~phone~~_mutex);
	46	fibril_mutex_lock(&pipe->hc_sess_mutex);
47	47	}
48	48
…	…
53	53	void pipe_end_transaction(usb_pipe_t *pipe)
54	54	{
55		fibril_mutex_unlock(&pipe->hc_~~phone~~_mutex);
	55	fibril_mutex_unlock(&pipe->hc_sess_mutex);
56	56	}
57	57
…	…
85	85	{
86	86	pipe_acquire(pipe);
87
	87
88	88	if (pipe->refcount == 0) {
89	89	/* Need to open the phone by ourselves. */
90		int phone = devman_device_connect(pipe->wire->hc_handle, 0);
91		if (phone < 0) {
	90	async_sess_t *sess =
	91	devman_device_connect(EXCHANGE_SERIALIZE, pipe->wire->hc_handle, 0);
	92	if (!sess) {
92	93	if (hide_failure) {
93	94	pipe->refcount_soft++;
94		phone = EOK;
	95	pipe_release(pipe);
	96	return EOK;
95	97	}
	98
96	99	pipe_release(pipe);
97		return ~~phone~~;
	100	return ENOMEM;
98	101	}
	102
99	103	/*
100	104	* No locking is needed, refcount is zero and whole pipe
101	105	* mutex is locked.
102	106	*/
103		pipe->hc_phone = phone;
	107
	108	pipe->hc_sess = sess;
104	109	}
	110
105	111	pipe->refcount++;
106
107	112	pipe_release(pipe);
108
	113
109	114	return EOK;
110	115	}
…	…
117	122	{
118	123	pipe_acquire(pipe);
	124
119	125	if (pipe->refcount_soft > 0) {
120	126	pipe->refcount_soft--;
…	…
122	128	return;
123	129	}
	130
124	131	assert(pipe->refcount > 0);
	132
125	133	pipe->refcount--;
	134
126	135	if (pipe->refcount == 0) {
127	136	/* We were the last users, let's hang-up. */
128		async_hangup(pipe->hc_~~phone~~);
129		pipe->hc_~~phone = -1~~;
	137	async_hangup(pipe->hc_sess);
	138	pipe->hc_sess = NULL;
130	139	}
	140
131	141	pipe_release(pipe);
132	142	}

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